new libffmpeg.so: 
compatible under armv5 and armv6

new libH264Deocder.so:
detect the sps before decoding the frame
small optimization to libH264Decoder.so;
when changing channel, the first frame must be I Frame.
libH264Deocder.so,H264Deocder.java:
add ProbeSPS method to get parts of parameter of sps

H264DecodeUtil.java:
add the resolution detect by retrieving data in buffer, reinit the
bitmap buffer and decoder if resolution change is detected.

update version from 5.10.0 -> 5.10.1