We're only interested in AOM_CODEC_CX_FRAME_PKT, but the encoder might
output packets from other types (e.g when CONFIG_INTERNAL_STATS).

Change-Id: I1c153ca7519067dc82cb76b131b09a537bb37f62

Change-Id: I62f7dca3d0d5aa9648c8a444f11f0f2a8bb3845b

Change-Id: I1456837714323c6cbfd66a47eb5dfa1fe4eeeabd

It's already able to detect decoder crashes (Issue 677).
Keep doing the encoding/decodings although the outputs are ignored.

Change-Id: Ie9c3cde64f89ab5aacaa522b06069ab7d995408e

Change-Id: I82fe5145b83c690bff50e4104adcf22aeb973903

The goal is:
1) to provide a tool allowing to diagnose
and fix mismatches between LBD/HBD coding paths.

2) once all mismatches are fixed, this test
should be enabled so new ones can't be introduced.

Change-Id: I71c1db4c2cb142e9e3a7a4b02dd0d61f35b77178