HIDL stuff to TestApi.

Since the CTS test for android.os is build with test_current.

Bug: 78650449
Test: android.os.cts
Change-Id: If784f4949af931c6c4efc284f1d16414705fe2d4
Merged-In: If784f4949af931c6c4efc284f1d16414705fe2d4
8 files changed