Fix E2E for SDKs on Windows

[artursouza]

In what area(s)?

/area runtime
/area operator
/area placement
/area docs
/area test-and-release
E2E Tests for Windows.

What version of Dapr?

0.1.x
0.2.x
Output of git describe --dirty

Expected Behavior

All E2E tests run on Windows and Linux.

Actual Behavior

Tests that require an app to be built on Docker are too slow and big.
These tests also fail to start the containers after build is done.
So, these tests are disabled at the moment.

Reminder: We have apps in Java, .Net and Python.

Steps to Reproduce the Problem

Change tests/dapr_tests.mk to include the apps and enable the tests. Search for this issue ID in the file.
Change tests/e2e/actor_sdks/actor_sdks_test.go to remove logic to ignore Windows. Search for this issue ID in the file.

Release Note

RELEASE NOTE:

[artursouza]

Issue not resolved yet. Just first part.