Merge "Update documentation to GetPhoneNumber with the security/privacy concerns" am: d1450e4e61 am: ce9e379a8a

Original change: https://android-review.googlesource.com/c/platform/frameworks/base/+/2241332

Change-Id: Ibd8a7f2d6ac210197d402fbfc098b2a147d925d5
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>