Convert VtsHalMediaC2V1_0HostTest to individual gtest

The python test runs each gtest with various command line options.
Such logic should all be part of gtest for them to be parameterized
gtest.

Bug: 154351999
Test: atest VtsHalMediaC2V1_0TargetAudioDecTest \
  VtsHalMediaC2V1_0TargetAudioEncTest \
  VtsHalMediaC2V1_0TargetComponentTest \
  VtsHalMediaC2V1_0TargetMasterTest \
  VtsHalMediaC2V1_0TargetVideoDecTest \
  VtsHalMediaC2V1_0TargetVideoEncTest

Change-Id: I8fe666305e198db0869f2c91b7f35fa0560abd9d