"[+>" more icon was never shown in PhoneStatusBar

"[+>" more icon was never show in status bar because
the member variable for this icon was not initialized
from resources. This fix enables "[+>" icon to appear
in status bar when the number of indications in status
bar becomes large.

Bug: 8368569
Change-Id: Ieb3412eed831052d69c0cf63c9b4230c38171e4a
diff --git a/packages/SystemUI/src/com/android/systemui/statusbar/phone/PhoneStatusBar.java b/packages/SystemUI/src/com/android/systemui/statusbar/phone/PhoneStatusBar.java
index 30af333..7d7e7a3 100644
--- a/packages/SystemUI/src/com/android/systemui/statusbar/phone/PhoneStatusBar.java
+++ b/packages/SystemUI/src/com/android/systemui/statusbar/phone/PhoneStatusBar.java
@@ -415,6 +415,7 @@
         mSystemIconArea = (LinearLayout) mStatusBarView.findViewById(R.id.system_icon_area);
         mStatusIcons = (LinearLayout)mStatusBarView.findViewById(R.id.statusIcons);
         mNotificationIcons = (IconMerger)mStatusBarView.findViewById(R.id.notificationIcons);
+        mMoreIcon = mStatusBarView.findViewById(R.id.moreIcon);
         mNotificationIcons.setOverflowIndicator(mMoreIcon);
         mStatusBarContents = (LinearLayout)mStatusBarView.findViewById(R.id.status_bar_contents);
         mTickerView = mStatusBarView.findViewById(R.id.ticker);