DO NOT MERGE codecs: check OMX buffer size before use in (vorbis|opus)dec

Bug: 27833616
Change-Id: I1ccdd16a00741da072527a6d13e87fd7c7fe8c54

bool SoftOpus::isConfigured() const {
 return mInputBufferCount >= 1;
}

bool SoftOpus::isConfigured() const {
 return mInputBufferCount >= 1;
}
