RecoverySystem: update comment to reflect signature changes
RecoverySystem: update comment to reflect signature changes

No functionality change is needed.

Change-Id: I2dd4775e484ffa96daa0d8778add5feb6c257424

xorware/android_frameworks_base,xorware/android_frameworks_base,xorware/android_frameworks_base,xorware/android_frameworks_base,xorware/android_frameworks_base,xorware/android_frameworks_base