Merge changes from topic "c2-aidl-test" into main

* changes:
  media.c2 aidl: Handle Gralloc buffer conversion from C2HandleAhwb
  media.c2 aidl: minor fixes
  c2 hal: handle C2_BAD_INDEX
  media.c2 VTS: modify video tests for AIDL
  media.c2 aidl: Add a test for GraphicsTracker
  media.c2 aidl GraphicsTracker: Synchronize mDequeueable and pipe fds
  media.c2 aidl: fix GraphicsTracker bugs and add logs