Revert "Clear the surface to transparent black when creating a PlatformViewWr…"

This reverts commit 6b37b170998e1a6cf1191443827ca1d5f1c6d8cf.
diff --git a/shell/platform/android/io/flutter/plugin/platform/PlatformViewWrapper.java b/shell/platform/android/io/flutter/plugin/platform/PlatformViewWrapper.java
index 7defa9e..f1e91a9 100644
--- a/shell/platform/android/io/flutter/plugin/platform/PlatformViewWrapper.java
+++ b/shell/platform/android/io/flutter/plugin/platform/PlatformViewWrapper.java
@@ -61,16 +61,6 @@
       @NonNull Context context, @NonNull PlatformViewRenderTarget renderTarget) {
     this(context);
     this.renderTarget = renderTarget;
-
-    Surface surface = renderTarget.getSurface();
-    if (surface != null) {
-      final Canvas canvas = surface.lockHardwareCanvas();
-      try {
-        canvas.drawColor(Color.TRANSPARENT, PorterDuff.Mode.CLEAR);
-      } finally {
-        surface.unlockCanvasAndPost(canvas);
-      }
-    }
   }
 
   /**