Merge "Add string for "See more apps"" into rvc-dev am: 11e7231a am: ebc86a07 am: fe539c1f

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/11987678

Change-Id: If20570c39b657fc2113281b71f59871fe6cf2bbc