Making some methods accessible

Bug: 63996463
Change-Id: I3cd2e21b8aa6744fc8003a131178ce1671e024dd

src/com/android/launcher3/CellLayout.java

@@ -780,7 +780,7 @@ public class CellLayout extends ViewGroup implements BubbleTextShadowHandler {
         return mCellWidth;
     }
 
-    int getCellHeight() {
+    public int getCellHeight() {
         return mCellHeight;
     }
 

src/com/android/launcher3/ShortcutAndWidgetContainer.java

@@ -101,7 +101,7 @@ public class ShortcutAndWidgetContainer extends ViewGroup {
         mInvertIfRtl = invert;
     }
 
-    int getCellContentHeight() {
+    public int getCellContentHeight() {
         return Math.min(getMeasuredHeight(),
                 mLauncher.getDeviceProfile().getCellHeight(mContainerType));
     }