Add fade in animation when loading initial all contacts list

Bug: 30318643
Change-Id: I77c0eac6b3f73e3d2772aee12d33afc136f824cc
diff --git a/src/com/android/contacts/activities/PeopleActivity.java b/src/com/android/contacts/activities/PeopleActivity.java
index 756aeb4..7fd20f0 100644
--- a/src/com/android/contacts/activities/PeopleActivity.java
+++ b/src/com/android/contacts/activities/PeopleActivity.java
@@ -765,6 +765,10 @@
                 mCurTransaction = mFragmentManager.beginTransaction();
             }
             Fragment f = getFragment(position);
+            if (!mIsRecreatedInstance && (f instanceof DefaultContactBrowseListFragment)) {
+                mCurTransaction.setCustomAnimations(android.R.animator.fade_in,
+                        android.R.animator.fade_out);
+            }
             mCurTransaction.show(f);
 
             // Non primary pages are not visible.