Merge "Remove unused / unimplemented CorePlatformAPI methods." am: ebe415b310 am: 4d150059e3 am: a97d2afc1e am: 2f5a81e8c1

Original change: https://android-review.googlesource.com/c/platform/frameworks/base/+/1352354

Change-Id: Ib7c21e7a86decf91ae79bc927b910c119c010fe3