Adding isSeascape method to have a common place to orientation check

Change-Id: Ia61792b29ab0d1d74f76a8dfa53bbf968874dfaa
diff --git a/src/com/android/launcher3/Hotseat.java b/src/com/android/launcher3/Hotseat.java
index 25eacb5..9d2bb07 100644
--- a/src/com/android/launcher3/Hotseat.java
+++ b/src/com/android/launcher3/Hotseat.java
@@ -164,7 +164,7 @@
             mContent.setGridSize(1, grid.inv.numHotseatIcons);
 
             lp.height = ViewGroup.LayoutParams.MATCH_PARENT;
-            if (insets.left > insets.right) {
+            if (grid.isSeascape()) {
                 lp.gravity = Gravity.LEFT;
                 lp.width = grid.hotseatBarSizePx + insets.left + grid.hotseatBarSidePaddingPx;
                 getLayout().setPadding(