This commit add support for encoding and decoding of MDCV, CLL, CCV and
AVE SEI messages
Test: avcenc -c enc.cfg, avcdec -c dec.cfg
Bug: 141931623
Change-Id: Idc0b0db5291482ae2bc19cdff65669c32374b02a
If WINDOWS_TIMER is set, windows.h is supposed to be used instead,
and sys/time.h isn't available.
This reduces the amount of duplicated include directives in the test
apps.
Change-Id: I223d80c4ccaed2aab55e3aae66dab903ecacef7a