Merge "Adds license header" am: 754c6b2924 am: 967bacd0dd am: 9b445e0cb8 am: e4c07f8eaf

Original change: https://android-review.googlesource.com/c/platform/system/core/+/1446918

Change-Id: I145d183c0a5bbbfe85006a7e81309331b2263409