Partial cp of "Move Tuner resource updating from Tuner java into Tuner client"

Cherry-pick the change to the media filegroup in the root Android.bp
to avoid merge conflicts in upcoming changes.

Test: m nothing
Merged-In: I46acdd2f118d5b082aa162c680661a304b4f628b
Change-Id: Ic55df4cfeb295cfa1657c64f9747c90e30cb73a2