add iSubSeqId to make the meaning clearly.
update unit test code to support name change
Merge pull request #1003 from ruil2/subseq

Subseq
building plugin on Android
Merge pull request #1004 from emannion/android_plugin

building plugin on Android
Merge branch 'master' of https://github.com/cisco/openh264 into frame_idc
revert one file