tests: Re-enable changes to InitState()

tests: Re-enable changes to InitState()

The initial series was causing InitState() to be called
twice in tests using VKTriangleTest.

This is a combination of 4 commits:

  tests: Remove InitState from VKTriangleTest

  Revert "Revert "tests: Move device creation from Setup to InitState""
  This reverts commit 5690813b28260c0acbe54ed5f63a66b57d4f3eef.

  Revert "Revert "tests: Enable passing PhysicalDeviceFeatures to InitState""
  This reverts commit 5c61db858c9e83f6a25993ee6262bd5f1a817551.

  Revert "Revert "tests: Change IndependentBlend test to use new InitState parm""
  This reverts commit 24eca2239aab4a76fa2926e5e1fa48d2171c3e6a.