tree ca264b5f7915bc600479a2bc2f994baf95d8e252
parent 223155fbec4dce692839811e8935d8c347553daf
author Pawin Vongmasa <pawin@google.com> 1475222312 -0700
committer gitbuildkicker <android-build@google.com> 1477593945 -0700

MPEG4Extractor: Check mLastTrack before parsing btrt box.

Bug: 31449945
Change-Id: I3380d494a57bb81f1a7455c64c3ab78da12c382d
(cherry picked from commit fd9cc97d4dfe2a2fbce2c0f1704d7a27ce7cbc44)