Merge "OnTrimMemory plumbing"

import android.app.AlertDialog;

import android.content.BroadcastReceiver;

import android.content.ClipboardManager;

import android.content.ComponentCallbacks2;

import android.content.Context;

import android.content.DialogInterface;

import android.content.DialogInterface.OnCancelListener;

    native boolean  nativeSetProperty(String key, String value);

    native String   nativeGetProperty(String key);

    private native void     nativeGetTextSelectionRegion(Region region);

    /**

     * See {@link ComponentCallbacks2} for the trim levels and descriptions

     */

    private static native void     nativeOnTrimMemory(int level);

}