omxvts:vid:dec: modify resource files for avc dec and mpeg4 dec

Resource files for avc and mpeg4 are at higher resolutions than what the
CDD requires. This CL corrects the issue.

Test: make vts -j123 && vts-tradefed run commandAndExit vts \
--skip-all-system-status-check \
--skip-preconditions -m VtsHalMediaOmxV1_0Host \
-l INFO

Bug: 68828675
Change-Id: I5a32bccae1b14a72ae0db2ffafd4a0e86cced74b