Merge "Remove 'on phone' from strings" into rvc-dev am: f8d3c259 am: ef87deba am: e1416124 am: de5369a9

Original change: https://googleplex-android-review.googlesource.com/c/platform/packages/apps/DocumentsUI/+/11940694

Change-Id: Ic7bf8e203eba1b494adcbb5ea97957fda0f62bc4