media: fix location parsing logic in MediaMuxerTest

verifyLocationInFile() needs to be able to parse the location information
conforming to ISO6709:2008 Annex H.

Test: cts-tradefed run cts -m CtsMediaTestCases \
-t android.media.cts.MediaMuxerTest

Bug: 64340701
Bug: 136694287
Change-Id: I977123ee50fc600cbe82901773a36de5919133f4
Merged-In: I977123ee50fc600cbe82901773a36de5919133f4
1 file changed