Revert of Remove Android SampleApp

platform_tools/android/apps/sample_app/src/main/jni/AndroidKeyToSkKey.h

Index: platform_tools/android/apps/sample_app/src/main/jni/AndroidKeyToSkKey.h
diff --git a/platform_tools/android/apps/sample_app/src/main/jni/AndroidKeyToSkKey.h b/platform_tools/android/apps/sample_app/src/main/jni/AndroidKeyToSkKey.h
new file mode 100644
index 0000000000000000000000000000000000000000..00fd5d078d577f81b7d557d1b60f44914c6794f8
--- /dev/null
+++ b/platform_tools/android/apps/sample_app/src/main/jni/AndroidKeyToSkKey.h
@@ -0,0 +1,34 @@
+/*
+ * 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