Use VtsComposerClient in Base test

Makes corrections to the code such as checking EXPECT_TRUE, ASSERT_TRUE in certain cases, test name corrections, consolidate layer configurations.
See comments in ag/16465080 for change refrences.

BUG: 199413815
Test: atest VtsHalGraphicsComposer3_TargetTest
Change-Id: I73c4621d8c525fdfbcd301d78a1ad97c142b2864