chore: add CMEK protos (#224)

* changes without context

        autosynth cannot find the source of changes triggered by earlier changes in this
        repository, or by version upgrades to tools such as linters.

* chore: update gapic-generator-python

PiperOrigin-RevId: 355923884

Source-Author: Google APIs <noreply@google.com>
Source-Date: Fri Feb 5 14:04:52 2021 -0800
Source-Repo: googleapis/googleapis
Source-Sha: 5e3dacee19405529b841b53797df799c2383536c
Source-Link: googleapis/googleapis@5e3dace

* feat(spanner): add CMEK fields to backup and database

PiperOrigin-RevId: 358725120

Source-Author: Google APIs <noreply@google.com>
Source-Date: Sun Feb 21 17:58:05 2021 -0800
Source-Repo: googleapis/googleapis
Source-Sha: f829b1334cce86aa3738f3c0698d814b56664445
Source-Link: googleapis/googleapis@f829b13

* chore: revert irrelevant changes

* fix: update admin clients to fix iam permission test failures

Co-authored-by: larkee <larkee@users.noreply.github.com>

docs/spanner_admin_database_v1/database_admin.rst

@@ -0,0 +1,11 @@
+DatabaseAdmin
+-------------------------------
+
+.. automodule:: google.cloud.spanner_admin_database_v1.services.database_admin
+    :members:
+    :inherited-members:
+
+
+.. automodule:: google.cloud.spanner_admin_database_v1.services.database_admin.pagers
+    :members:
+    :inherited-members:

docs/spanner_admin_database_v1/services.rst

@@ -1,6 +1,6 @@
 Services for Google Cloud Spanner Admin Database v1 API
 =======================================================
+.. toctree::
+    :maxdepth: 2
 
-.. automodule:: google.cloud.spanner_admin_database_v1.services.database_admin
-    :members:
-    :inherited-members:
+    database_admin

docs/spanner_admin_instance_v1/instance_admin.rst

@@ -0,0 +1,11 @@
+InstanceAdmin
+-------------------------------
+
+.. automodule:: google.cloud.spanner_admin_instance_v1.services.instance_admin
+    :members:
+    :inherited-members:
+
+
+.. automodule:: google.cloud.spanner_admin_instance_v1.services.instance_admin.pagers
+    :members:
+    :inherited-members:

docs/spanner_admin_instance_v1/services.rst

@@ -1,6 +1,6 @@
 Services for Google Cloud Spanner Admin Instance v1 API
 =======================================================
+.. toctree::
+    :maxdepth: 2
 
-.. automodule:: google.cloud.spanner_admin_instance_v1.services.instance_admin
-    :members:
-    :inherited-members:
+    instance_admin

docs/spanner_v1/services.rst

@@ -1,6 +1,6 @@
 Services for Google Cloud Spanner v1 API
 ========================================
+.. toctree::
+    :maxdepth: 2
 
-.. automodule:: google.cloud.spanner_v1.services.spanner
-    :members:
-    :inherited-members:
+    spanner

docs/spanner_v1/spanner.rst

@@ -0,0 +1,11 @@
+Spanner
+-------------------------
+
+.. automodule:: google.cloud.spanner_v1.services.spanner
+    :members:
+    :inherited-members:
+
+
+.. automodule:: google.cloud.spanner_v1.services.spanner.pagers
+    :members:
+    :inherited-members:

google/cloud/spanner_admin_database_v1/__init__.py

@@ -18,6 +18,7 @@
 from .services.database_admin import DatabaseAdminClient
 from .types.backup import Backup
 from .types.backup import BackupInfo
+from .types.backup import CreateBackupEncryptionConfig
 from .types.backup import CreateBackupMetadata
 from .types.backup import CreateBackupRequest
 from .types.backup import DeleteBackupRequest
@@ -27,6 +28,8 @@
 from .types.backup import ListBackupsRequest
 from .types.backup import ListBackupsResponse
 from .types.backup import UpdateBackupRequest
+from .types.common import EncryptionConfig
+from .types.common import EncryptionInfo
 from .types.common import OperationProgress
 from .types.spanner_database_admin import CreateDatabaseMetadata
 from .types.spanner_database_admin import CreateDatabaseRequest
@@ -40,6 +43,7 @@
 from .types.spanner_database_admin import ListDatabasesRequest
 from .types.spanner_database_admin import ListDatabasesResponse
 from .types.spanner_database_admin import OptimizeRestoredDatabaseMetadata
+from .types.spanner_database_admin import RestoreDatabaseEncryptionConfig
 from .types.spanner_database_admin import RestoreDatabaseMetadata
 from .types.spanner_database_admin import RestoreDatabaseRequest
 from .types.spanner_database_admin import RestoreInfo
@@ -51,13 +55,16 @@
 __all__ = (
     "Backup",
     "BackupInfo",
+    "CreateBackupEncryptionConfig",
     "CreateBackupMetadata",
     "CreateBackupRequest",
     "CreateDatabaseMetadata",
     "CreateDatabaseRequest",
     "Database",
     "DeleteBackupRequest",
     "DropDatabaseRequest",
+    "EncryptionConfig",
+    "EncryptionInfo",
     "GetBackupRequest",
     "GetDatabaseDdlRequest",
     "GetDatabaseDdlResponse",
@@ -72,6 +79,7 @@
     "ListDatabasesResponse",
     "OperationProgress",
     "OptimizeRestoredDatabaseMetadata",
+    "RestoreDatabaseEncryptionConfig",
     "RestoreDatabaseMetadata",
     "RestoreDatabaseRequest",
     "RestoreInfo",