libstagefright: fix overflow in MPEG4Source::parseSampleAuxiliaryInformationOffsets.

Bug: 23270724
Change-Id: Id7ba55c7bf6860fbfc892bbb6378aac644c82da4
(cherry picked from commit c51ab7dd82bf4e24666fc72a55e03e2f530204d5)
1 file changed