Merge "Log when sync exemptions occur." into tm-dev am: a5526aae

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/18380120



Change-Id: Ibb304ef4a5e9e330cd03b22c50c879a6766d4cfa
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>