media.c2 aidl: fix GraphicsTracker bugs and add logs

Fixed the waitable object to work correctly when # of max dequeue count
was changed by app's requests or internal events.

Bug: 254050314
Test: c2aidl_gtracker_test(not shipped yet)
Change-Id: Id7ba3b0d760572559441d3aa0fd557a0ce0c79fa