Makes | platformViewId | large enough to require a long.

Author: 0xZOne

shell/platform/android/test/io/flutter/plugin/platform/PlatformViewsControllerTest.java

@@ -323,7 +323,8 @@ public void getPlatformViewById_hybridComposition() {
   public void createPlatformViewMessage_initializesAndroidView() {
     PlatformViewsController platformViewsController = new PlatformViewsController();
 
-    final long platformViewId = 0L;
+    // The value is actually large enough to require a long.
+    final long platformViewId = 0x80000000L;
     assertNull(platformViewsController.getPlatformViewById(platformViewId));
 
     PlatformViewFactory viewFactory = mock(PlatformViewFactory.class);