Fix build breakage in C2Decoder and C2Encoder

I6c8c2de0888944f57b4ea404a5f589e70ee61dc4 changed the signature of
the function, but the caller in the test was not updated.

Bug: None
Test: mmm frameworks/av
Change-Id: I9b26177b367d74f4a229dd672e3002c8a437d1b2
2 files changed