plurals cleanup in android/packages/providers/MediaProvider

The current usage of plurals using Quantity strings is incorrect for majority of languages. Using ICU syntax strings solves this problem. Details available in the bug attached.

Test: Manual atest
Bug: 199229956

Change-Id: Ic21e91c165759916931c9d5479749c48dc18b137
(cherry picked from commit a60e6f8b97711f3e813b3c189cd406a6adbf4a47)
5 files changed