docs: Removed suggestion to use deprecated API am: 3fa45006 am: b5b16629

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/20328313



Change-Id: Ib07ff1782e0effb7274175d297f13548fc7e020e
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>