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

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

Change-Id: I75abe2c43d8eab583681fcae700cd9b183a49fac