Merge "Prevent NPE in CoreSettingsObserverTest"

import static org.junit.Assert.assertEquals;

import static org.mockito.Mockito.anyInt;

import static org.mockito.Mockito.mock;

import static org.mockito.Mockito.when;

import android.content.Context;

import android.content.res.Resources;

import android.content.res.TypedArray;

import android.os.Bundle;

import android.os.Handler;

import android.provider.Settings;

        // To prevent NullPointerException at the constructor of ActivityManagerConstants.

        when(mResources.getStringArray(anyInt())).thenReturn(new String[0]);

        when(mResources.getIntArray(anyInt())).thenReturn(new int[0]);

        final TypedArray mockTypedArray = mock(TypedArray.class);

        when(mockTypedArray.length()).thenReturn(1);

        when(mResources.obtainTypedArray(anyInt())).thenReturn(mockTypedArray);

        mAms = new ActivityManagerService(new TestInjector(mContext),

                mServiceThreadRule.getThread());