squisher: optimize /system/priv-app/ too

Change-Id: I8e7726af97124ba6ba06bf756d5c82be3a6d6c73
Signed-off-by: Roman Birg <romanbirg@gmail.com>
squisher: optimize /system/priv-app/ too

Change-Id: I8e7726af97124ba6ba06bf756d5c82be3a6d6c73
Signed-off-by: Roman Birg <romanbirg@gmail.com>