Move NuPlayer::getStats from binder to handler thread

move NuPlayer::getStats() functionality to handler thread so that to avoid race condition
with other mVideoDecoder references.

Bug: 78365291
Test: cts-tradefed run cts -m CtsMediaTestCases -t android.media.cts.MediaPlayerTest
Change-Id: Ib62a640a77c90cf3f849aa1da960169496a460e6
2 files changed