ndk: AMediaMuxer_addTrack to translate error only for negative values

Bug: 36260305
Test: cts-tradefed run cts-dev --module CtsMediaTestCases --test android.media.cts.NativeDecoderTest
Change-Id: Ic2b6ec0b8d8a1a9a100eafd3175bdffd80ab4b8d
1 file changed