Mms: Add initialization the mLayoutType parameter.

The mLayoutType value is always assigned to default value after
LayoutModel class re-construct.

Change-Id: Ib6085f21bff0de9ff735a0205b17431185bc4838
Author: Bin Yang <bin.y.yang@intel.com>
Signed-off-by: b416 <haixiong.zheng@borqs.com>
Signed-off-by: Bin Yang <bin.y.yang@intel.com>
Signed-off-by: Shuo Gao <shuo.gao@intel.com>
Signed-off-by: Bruce Beare <bruce.j.beare@intel.com>
Signed-off-by: Jack Ren <jack.ren@intel.com>
Author-tracking-BZ: 7957

src/com/android/mms/model/LayoutModel.java

@@ -110,6 +110,11 @@ private void validateLayouts() {
         if (mTextRegion == null) {
             createDefaultTextRegion();
         }
+        // LayoutModel will re-construct when orientation changes, so we need to
+        // initialize mLayoutType here. Otherwise, the mLayoutType is alway default
+        // value (LAYOUT_BOTTOM_TEXT) after LayoutModel re-construct.
+        mLayoutType =
+                (mImageRegion.getTop() == 0) ? LAYOUT_BOTTOM_TEXT : LAYOUT_TOP_TEXT;
     }
 
     public RegionModel getRootLayout() {