Add string resource

(for frame rate per second setting)

Author: MHShetty

app/src/main/res/values/strings.xml

@@ -193,4 +193,5 @@
 
     <string name="video_audio_recording_muted">The video\'s audio recording has been muted</string>
     <string name="video_audio_recording_unmuted">The video\'s audio recording has been unmuted</string>
+    <string name="video_frame_rate">Video Frame Rate</string>
 </resources>