revert amazon scheduling changes

Change-Id: I285188a39bbb87d0216696fca8a8781792601351
revert amazon cache maintenance

Change-Id: I972953e093d26612a01773b7f96ba34609b57e28
remove CONFIG_STRONGLY_ORDERED option

Change-Id: Ic83f529ad4c454d404d4fadcf6d28d1eeb350a03
revert amazon binder mmap locking

Change-Id: Iab081fd54a8fe8312acedf810ff293a782020be5
defconfig updates

Change-Id: I2da459639068e719a60b9549f24380b6061e4ac6