Merge 4.9.279 into android-4.9-q

Changes in 4.9.279
	btrfs: mark compressed range uptodate only if all bio succeed
	regulator: rt5033: Fix n_voltages settings for BUCK and LDO
	r8152: Fix potential PM refcount imbalance
	net: Fix zero-copy head len calculation.
	Revert "Bluetooth: Shutdown controller after workqueues are flushed or cancelled"
	can: raw: raw_setsockopt(): fix raw_rcv panic for sock UAF
	spi: mediatek: Fix fifo transfer
	Linux 4.9.279

Signed-off-by: Greg Kroah-Hartman <gregkh@google.com>
Change-Id: Ia0cca34ce494d77df7e5327531594db6480eec47