Update documentation and page for renamed builder

dashboard/README.txt

@@ -1,4 +1,4 @@
 To build a new binary and upload it to the GCE instance:
 
-$ go build -ldflags '-I /lib64/ld-linux-x86-64.so.2'
-$ gcloud compute --project "sanitizer-bots" copy-files --zone "us-east1-d" dashboard "dashboard:/opt"
+$ GO111MODULE=off go build -ldflags '-I /lib64/ld-linux-x86-64.so.2'
+$ gcloud compute --project "sanitizer-bots" scp --zone "us-east1-d" dashboard "dashboard:/opt"

dashboard/dashboard.go

@@ -27,12 +27,13 @@ var (
 		{"Sanitizers", ""},
 		{"windows", "http://lab.llvm.org/buildbot/api/v2/builders/sanitizer-windows"},
 		{"x86_64-linux", "http://lab.llvm.org/buildbot/api/v2/builders/sanitizer-x86_64-linux"},
-		{"x86_64-linux-asan", "http://lab.llvm.org/buildbot/api/v2/builders/sanitizer-x86_64-linux-bootstrap"},
+		{"x86_64-linux-asan", "http://lab.llvm.org/buildbot/api/v2/builders/sanitizer-x86_64-linux-bootstrap-asan"},
 		{"x86_64-linux-msan", "http://lab.llvm.org/buildbot/api/v2/builders/sanitizer-x86_64-linux-bootstrap-msan"},
 		{"x86_64-linux-ubsan", "http://lab.llvm.org/buildbot/api/v2/builders/sanitizer-x86_64-linux-bootstrap-ubsan"},
 		{"x86_64-linux-fast", "http://lab.llvm.org/buildbot/api/v2/builders/sanitizer-x86_64-linux-fast"},
 		{"x86_64-linux-android", "http://lab.llvm.org/buildbot/api/v2/builders/sanitizer-x86_64-linux-android"},
 		{"x86_64-linux-autoconf", "http://lab.llvm.org/buildbot/api/v2/builders/sanitizer-x86_64-linux-autoconf"},
+		{"x86_64-linux-qemu", "http://lab.llvm.org/buildbot/api/v2/builders/sanitizer-x86_64-linux-qemu"},
 		{"ppc64be-linux", "http://lab.llvm.org/buildbot/api/v2/builders/sanitizer-ppc64le-linux"},
 		{"ppc64le-linux", "http://lab.llvm.org/buildbot/api/v2/builders/clang-ppc64le-linux-lnt"},
 		{"LibFuzzer (x86_64-linux)", ""},