Merge "Update javadocs for EXTRA_ROLE_HOLDER_UPDATE_RESULT_CODE" into tm-dev...

Merge "Update javadocs for EXTRA_ROLE_HOLDER_UPDATE_RESULT_CODE" into tm-dev am: 6327cfe8 am: 6366b11d

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/17941384



Change-Id: Iadff2420018b5e78858a5a18e99b02f5b2a2b1a7
Ignore-AOSP-First: this is an automerge
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>