Parse --verbose-logging flag from intent and pass to the engine as args. (flutter/engine#5447)

engine/src/flutter/shell/platform/android/io/flutter/app/FlutterActivityDelegate.java

@@ -327,6 +327,9 @@ public final class FlutterActivityDelegate
         if (intent.getBooleanExtra("trace-skia", false)) {
             args.add("--trace-skia");
         }
+        if (intent.getBooleanExtra("verbose-logging", false)) {
+            args.add("--verbose-logging");
+        }
         if (!args.isEmpty()) {
             String[] argsArray = new String[args.size()];
             return args.toArray(argsArray);