[automerger skipped] Merge "Clean up old references to android.support in Activity and Fragment" am: 2f3b72b8ef am: 88df69af7a -s ours am: 498a8a1acb -s ours

am skip reason: Change-Id Ia3c0aa2393e6d444af04e35446ac34d4e129c9aa with SHA-1 5d681da22c is in history

Original change: https://android-review.googlesource.com/c/platform/frameworks/base/+/1331883

Change-Id: I96943f03a40e00b48db9ec7e17a880df13d8f2a0