Merge "Camera: Update API doc for DISPLAY_SYNC timestamp base" into tm-qpr-dev am: 87dd924237 am: e9b1b7819f

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/20056360

Change-Id: Icb669642935f2cb21e4e93a4ca0978dd4161c90d
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>