Removing array mode for linear output buffers

Bug: 418813731
Flag: android.media.codec.remove_arraymode_for_linear_output_buffers
Test: atest android.mediav2.cts.CodecEncoderMultiAccessUnitTest
      atest android.mediav2.cts.CodecDecoderTest
      atest android.mediav2.cts.CodecDecoderBlockModelMultiAccessUnitTest

Change-Id: I1eba5136690d431020d1ba0fcd5f667ad64b6003