Merge "docs: Adding note to getPhoneNumber(int)" into tm-dev am: 0471cade5b

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/20316842

Change-Id: Ib705963b5755de8b7f4c9f5368fdb666966bf598
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>