Merge "Make Class.getPackageName public." am: 3a76c4c9aa am: 7a0acb4d34 am: df634d7c4e

Original change: https://android-review.googlesource.com/c/platform/frameworks/base/+/1519502

MUST ONLY BE SUBMITTED BY AUTOMERGER

Change-Id: I74d1fea098a9beeb3db99e35317bd7c1ae23ee83