Merge "Remove obsolete string resource." into rvc-dev am: 14a02055eb am: 59b0d83a0d am: ad19aaacf5

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/11838749

Change-Id: I5c17fb72d09f52fa61816fb7150aeead3b43e82b