CtsMediaEncoderTestCases: parameterize EncoderTest

1. Parameterized EncoderTest
2. Added provision to filter/select codecs based on codec-prefix

Bug: 216832785
Test: atest CtsMediaEncoderTestCases:EncoderTest
Test: atest CtsMediaEncoderTestCases:EncoderTest -- \
 --module-arg CtsMediaEncoderTestCases:instrumentation-arg:\
 codec-prefix:=c2.android.aac.encoder

Change-Id: Ie5271568d1313397a30f2f1cb587c8920d8002f6
1 file changed