Revert "fb: less notifications sound (1/2)"

This reverts commit 3ea797fc932661306d14d78781c72cc208b0a6e6.

Change-Id: I6dc7bd93778a559d86f85676fb2411f8668df815
Merge branch 'lp' of github.com:AOGP-L/android_frameworks_base into lp