Merge 4.14.46 into android-4.14

Changes in 4.14.46
	perf tools: Add trace/beauty/generated/ into .gitignore
	tools: sync up .h files with the repective arch and uapi .h files
	Revert "perf record: Fix crash in pipe mode"
	Linux 4.14.46

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