Moving some utilities methods to separate class

Change-Id: I5094b22ddc77c45590cea1a5f5dead0dc7580abf
diff --git a/src/com/android/launcher3/Partner.java b/src/com/android/launcher3/Partner.java
index 380078b..af5402a 100644
--- a/src/com/android/launcher3/Partner.java
+++ b/src/com/android/launcher3/Partner.java
@@ -16,6 +16,8 @@
 
 package com.android.launcher3;
 
+import static com.android.launcher3.util.PackageManagerHelper.findSystemApk;
+
 import android.content.pm.PackageManager;
 import android.content.res.Resources;
 import android.util.DisplayMetrics;
@@ -59,7 +61,7 @@
      */
     public static synchronized Partner get(PackageManager pm) {
         if (!sSearched) {
-            Pair<String, Resources> apkInfo = Utilities.findSystemApk(ACTION_PARTNER_CUSTOMIZATION, pm);
+            Pair<String, Resources> apkInfo = findSystemApk(ACTION_PARTNER_CUSTOMIZATION, pm);
             if (apkInfo != null) {
                 sPartner = new Partner(apkInfo.first, apkInfo.second);
             }