Improve Android HW decoder error handling.

Improve Android HW decoder error handling.

- Remove an option to use MediaCodec SW decoder from Java layer.
- Better handling Java exceptions in JNI - detect exceptions
and either try to reset the codec or fallback to SW decoder.
- If any error is reported by codec try to fallback to SW
codec for VP8 or reset decoder and continue decoding for H.264.
- Add more logging for error conditions.

R=wzh@webrtc.org

Committed: https://chromium.googlesource.com/external/webrtc/+/782671f7983e27be865f04f546fbfc3f1cb4e1b3

[AlexG, 2015-06-12 22:49:28]

glaznev@webrtc.org changed reviewers:
+ wzh@webrtc.org

[AlexG, 2015-06-12 22:49:29]

PTAL

[wzh, 2015-06-12 22:57:09]

lgtm

[AlexG, 2015-06-12 23:40:57]

Committed patchset #4 (id:60001) manually as
782671f7983e27be865f04f546fbfc3f1cb4e1b3 (presubmit successful).

[zjx20, 2015-06-15 02:40:56]

On 2015/06/12 22:49:29, AlexG wrote:
> PTAL

One question: Is it still support SW H264 codec after applying this patch?
I am not very clear since webrtc doesn't have a builtin SW H264 codec.
Thanks!

[AlexG, 2015-06-15 17:54:38]

On 2015/06/15 02:40:56, zhoujianxiong2 wrote:
> On 2015/06/12 22:49:29, AlexG wrote:
> > PTAL
> 
> One question: Is it still support SW H264 codec after applying this patch?
> I am not very clear since webrtc doesn't have a builtin SW H264 codec.
> Thanks!

No, SW H.264 is not supported yet - WebRTC on Android supports only HW H.264 and
only on Qualcomm platfroms for now. In this patch if error happens when using
H.264 HW codec then an attempt is made to restart Hw decoder instead of falling
back to SW.