* commit '5651dab74639906cb8782bfaf6450ebfbe5ec7e4': cherrypick from klp-docs docs: security consideration for Android <4.2 Change-Id: I5fe51641539f7ffe7abcdb0618371dd3f4b62ab5
* commit '5651dab74639906cb8782bfaf6450ebfbe5ec7e4': cherrypick from klp-docs docs: security consideration for Android <4.2 Change-Id: I5fe51641539f7ffe7abcdb0618371dd3f4b62ab5