[android] Fix low fps checking in video_decoder.cc (#3086)

The mime attribute "framerate" is used to specify the frame rate of the
video, and the previous implementation incorrectly used "fps" as the
mime attribute name.

b/286121490

Change-Id: Iaec70f33ab625224e8a31eba96db0bea063f0a8a

starboard/android/shared/video_decoder.cc

@@ -87,7 +87,7 @@ bool IsSoftwareDecodeRequired(const std::string& max_video_capabilities) {
 
   bool is_low_resolution = mime_type.GetParamIntValue("width", 1920) <= 432 &&
                            mime_type.GetParamIntValue("height", 1080) <= 240;
-  bool is_low_fps = mime_type.GetParamIntValue("fps", 30) <= 15;
+  bool is_low_fps = mime_type.GetParamIntValue("framerate", 30) <= 15;
 
   if (is_low_resolution && is_low_fps) {
     // Workaround to be compatible with existing backend implementation.