[DO NOT MERGE] Revert "Allow user to block individual apps from resuming."

Revert submission 12392268-cherrypick-mediaappsettings-5fxuo164a2

Bug: 161813143

Reason for revert: no longer want change in QPR
Reverted Changes:
Id3de52419:Allow user to block individual apps from resuming....
I8c85bc937:Allow user to block individual apps from resuming

Change-Id: Ieacef217587476532246b466d680219351bc1657
4 files changed