Center align icon and title in choose lock pattern

Test: Manual
Bug: 62225461
Change-Id: I62eb76597f5be7165e0e1047d87d99dbd6f2e33d

res/layout/choose_lock_pattern_common.xml

@@ -28,7 +28,6 @@
 
     <com.android.internal.widget.LinearLayoutWithDefaultTouchRecepient
         android:id="@+id/topLayout"
-        style="@style/SuwContentFrame"
         android:layout_width="match_parent"
         android:layout_height="match_parent"
         android:clipChildren="false"
@@ -36,6 +35,7 @@
         android:orientation="vertical">
 
         <LinearLayout
+            style="@style/SuwGlifHeaderContainer"
             android:layout_width="match_parent"
             android:layout_height="wrap_content"
             android:orientation="vertical">
@@ -57,6 +57,7 @@
 
         <!-- takes up all space above button bar at bottom -->
         <LinearLayout
+            style="@style/SuwContentFrame"
             android:layout_width="match_parent"
             android:layout_height="0dip"
             android:layout_weight="1"