Merge 4.4.151 into android-4.4-p

Merge 4.4.151 into android-4.4-p

Changes in 4.4.151
	dccp: fix undefined behavior with 'cwnd' shift in ccid2_cwnd_restart()
	l2tp: use sk_dst_check() to avoid race on sk->sk_dst_cache
	llc: use refcount_inc_not_zero() for llc_sap_find()
	net_sched: Fix missing res info when create new tc_index filter
	vsock: split dwork to avoid reinitializations
	net_sched: fix NULL pointer dereference when delete tcindex filter
	ALSA: hda - Sleep for 10ms after entering D3 on Conexant codecs
	ALSA: hda - Turn CX8200 into D3 as well upon reboot
	ALSA: vx222: Fix invalid endian conversions
	ALSA: virmidi: Fix too long output trigger loop
	ALSA: cs5535audio: Fix invalid endian conversion
	ALSA: hda: Correct Asrock B85M-ITX power_save blacklist entry
	ALSA: memalloc: Don't exceed over the requested size
	ALSA: vxpocket: Fix invalid endian conversions
	USB: serial: sierra: fix potential deadlock at close
	USB: option: add support for DW5821e
	ACPI: save NVS memory for Lenovo G50-45
	ACPI / PM: save NVS memory for ASUS 1025C laptop
	serial: 8250_dw: always set baud rate in dw8250_set_termios
	x86/mm: Simplify p[g4um]d_page() macros
	Bluetooth: avoid killing an already killed socket
	isdn: Disable IIOCDBGVAR
	Linux 4.4.151

Change-Id: I6a0ff37985aa6e27dd05fccbde3caf04317ec5f9
Signed-off-by: Greg Kroah-Hartman <gregkh@google.com>