Merge commit '6ae815e0' into HEAD

libstagefright: fix overflow in MPEG4Source::parseSampleAuxiliaryInformationOffsets.

Bug: 23270724
(cherry picked from commit c51ab7dd82bf4e24666fc72a55e03e2f530204d5)

Change-Id: I44c642548ee6ba3745fb1f46d8645bece231035a