Fix missing video recordings for iOS and Android devices (#120)

Add `videoScale` for iOS and `videoSize` for Android to set the video resolution to solve issues recording device screens.  This solves issues where no video gets recorded for tests.

Author: ZGrauer

src/plugin/driver-command-executor.ts

@@ -5,6 +5,10 @@ async function startScreenRecording(driver: any, sessionId: string) {
     options: {
       videoType: "libx264",
       videoFps: 10,
+      /* Force iOS video scale to fix '[ffmpeg] [libx264 @ 0x7fda5f005280] width not divisible by 2 (1125x2436)' */
+      videoScale: "1280:720",
+      /* Force Android size because some devices cannot record at their native resolution, resulting in error 'Unable to get output buffers (err=-38)' */
+      videoSize: "1280:720",
       /* In android, adb can record only 3 mins of video. below timeLimit is used to take longer video */
       timeLimit: 1800, //in seconds (30 min)
     },