Update to CtsMediaMuxerTestCases-2.1

Bug: 329121650
Test: atest CtsMediaMuxerTestCases
Merged-In: Ie787cd3a45682bec625f0c7969c3b19f5308c6c6
Change-Id: I82f12b72f1d0c907047add4ec28c7e4138c1f90a
4 files changed