Merge "Update documentation to GetPhoneNumber with the security/privacy...

Merge "Update documentation to GetPhoneNumber with the security/privacy concerns" am: d1450e4e am: ce9e379a am: 9d1eb6ac

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



Change-Id: I1ada77b875c64901cc02a1e42712ae3f1ee19499
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>