use a working version of performance control

PS1: add header intent for PC
PS2: check to see if the package exists in case the user uninstalls it
PS3: remove performance settings classes and use simplifed BootReceiver
since we no longer need all the extra jibberjazz

Change-Id: If8e1a3e00cfe7a0bd1b63afd898d8e45b336947c
Merge "use a working version of performance control" into kk44