Merge 4.9.151 into android-4.9

Merge 4.9.151 into android-4.9

Changes in 4.9.151
	ALSA: hda/realtek - Disable headset Mic VREF for headset mode of ALC225
	CIFS: Do not hide EINTR after sending network packets
	cifs: Fix potential OOB access of lock element array
	usb: cdc-acm: send ZLP for Telit 3G Intel based modems
	USB: storage: don't insert sane sense for SPC3+ when bad sense specified
	USB: storage: add quirk for SMI SM3350
	USB: Add USB_QUIRK_DELAY_CTRL_MSG quirk for Corsair K70 RGB
	slab: alien caches must not be initialized if the allocation of the alien cache failed
	mm: page_mapped: don't assume compound page is huge or THP
	ACPI: power: Skip duplicate power resource references in _PRx
	i2c: dev: prevent adapter retries and timeout being set as minus value
	rbd: don't return 0 on unmap if RBD_DEV_FLAG_REMOVING is set
	ext4: make sure enough credits are reserved for dioread_nolock writes
	ext4: fix a potential fiemap/page fault deadlock w/ inline_data
	ext4: avoid kernel warning when writing the superblock to a dead device
	sunrpc: use-after-free in svc_process_common()
	Linux 4.9.151

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