[automerger skipped] audio: Move frame counter to StreamContext am: a5e31540 -s ours

am skip reason: Merged-In If6716f4051c484b52927cbfe4032df7c907eb3a5 with SHA-1 1eedc130 is already in history

Original change: https://googleplex-android-review.googlesource.com/c/platform/hardware/interfaces/+/24287967



Change-Id: Icb46836d3c7f845cf46cba84d79bc798da6173b4
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>