Merge 4.4.150 into android-4.4

Changes in 4.4.150
	x86/speculation/l1tf: Exempt zeroed PTEs from inversion
	Linux 4.4.150

Change-Id: I2dfd6e160998ae2f55f3b7621df62e96a4511f7c
Signed-off-by: Greg Kroah-Hartman <gregkh@google.com>