Merge "Disable context sync telecom code by default" into udc-dev am: e5257275

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/23061738



Change-Id: I8e3b67e3e5d925ba6514b9f1f38649d2166c8f66
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>