Removing unnecessary casts while creating AccessUnitInfos

Bug: 361535466
Flag: EXEMPT bugfix

Test: android.media.drmframework.cts.CodecDecoderBlockModelMultiAccessUnitDrmTest
      -- --abi armeabi-v7a
Test: android.media.drmframework.cts.CodecDecoderMultiAccessUnitDrmTest
      -- --abi armeabi-v7a

Change-Id: I84107ba1ee888541c9063a75107095aa94d2b0de
1 file changed