Correct crop size for software encoders

When using surface crop size may be set to incorrect
value and cause errors when copying buffers.
To prevent that, encoders will set crop size to expected
image size.

Bug: b/232396154

Test: android.mediav2.cts.CodecEncoderSurfaceTest
      android.mediav2.cts.CodecEncoderTest

Change-Id: Iafa4f9f1a49760c2b5345b8768b476a2fd7510f6