Update Android Apps to use gradle

platform_tools/android/app/jni/AndroidKeyToSkKey.h

Index: platform_tools/android/app/jni/AndroidKeyToSkKey.h
diff --git a/platform_tools/android/app/jni/AndroidKeyToSkKey.h b/platform_tools/android/app/jni/AndroidKeyToSkKey.h
deleted file mode 100644
index 6bcb148b46cf2055fa1d95ccf547fe2d62f11723..0000000000000000000000000000000000000000
--- a/platform_tools/android/app/jni/AndroidKeyToSkKey.h
+++ /dev/null
@@ -1,35 +0,0 @@
-
-/*
- * Copyright 2011 Skia
- *
- * Use of this source code is governed by a BSD-style license that can be
- * found in the LICENSE file.
- */
-
-
-#ifndef _ANDROID_TO_SKIA_KEYCODES_H
-#define _ANDROID_TO_SKIA_KEYCODES_H
-
-#include "android/keycodes.h"
-#include "SkKey.h"
-
-// Convert an Android keycode to an SkKey.  This is an incomplete list, only
-// including keys used by the sample app.
-SkKey AndroidKeycodeToSkKey(int keycode) {
-    switch (keycode) {
-        case AKEYCODE_DPAD_LEFT:
-            return kLeft_SkKey;
-        case AKEYCODE_DPAD_RIGHT:
-            return kRight_SkKey;
-        case AKEYCODE_DPAD_UP:
-            return kUp_SkKey;
-        case AKEYCODE_DPAD_DOWN:
-            return kDown_SkKey;
-        case AKEYCODE_BACK:
-            return kBack_SkKey;
-        default:
-            return kNONE_SkKey;
-    }
-}
-
-#endif