create 6x5 scalable grid for tablets

Create more attributes for landscape and fix the space between icons in the hotseat. The dimensions are correct but some size might differ from mocks because of device scaling, qsb position and insets not finalized.

Bug: 210118169
Test: visual, using HSV and Window
Change-Id: Ie505923dce2e30133eb1e5c9c83c33a2895147f2
diff --git a/src/com/android/launcher3/InvariantDeviceProfile.java b/src/com/android/launcher3/InvariantDeviceProfile.java
index 2d0d640..036726d 100644
--- a/src/com/android/launcher3/InvariantDeviceProfile.java
+++ b/src/com/android/launcher3/InvariantDeviceProfile.java
@@ -789,6 +789,11 @@
             x = a.getFloat(R.styleable.ProfileDisplayOption_minCellWidth, 0);
             y = a.getFloat(R.styleable.ProfileDisplayOption_minCellHeight, 0);
             minCellSize[INDEX_DEFAULT] = new PointF(x, y);
+
+            x = a.getFloat(R.styleable.ProfileDisplayOption_minCellWidthLandscape,
+                    minCellSize[INDEX_DEFAULT].x);
+            y = a.getFloat(R.styleable.ProfileDisplayOption_minCellHeightLandscape,
+                    minCellSize[INDEX_DEFAULT].y);
             minCellSize[INDEX_LANDSCAPE] = new PointF(x, y);
 
             x = a.getFloat(R.styleable.ProfileDisplayOption_minCellWidthTwoPanelPortrait,
@@ -891,7 +896,9 @@
 
             horizontalMargin[INDEX_DEFAULT] = a.getFloat(
                     R.styleable.ProfileDisplayOption_horizontalMargin, 0);
-            horizontalMargin[INDEX_LANDSCAPE] = horizontalMargin[INDEX_DEFAULT];
+            horizontalMargin[INDEX_LANDSCAPE] = a.getFloat(
+                    R.styleable.ProfileDisplayOption_horizontalMarginLandscape,
+                    horizontalMargin[INDEX_DEFAULT]);
             horizontalMargin[INDEX_TWO_PANEL_LANDSCAPE] = a.getFloat(
                     R.styleable.ProfileDisplayOption_horizontalMarginTwoPanelLandscape,
                     horizontalMargin[INDEX_DEFAULT]);
@@ -901,7 +908,9 @@
 
             hotseatBorderSpaces[INDEX_DEFAULT] = a.getFloat(
                     R.styleable.ProfileDisplayOption_hotseatBorderSpace, borderSpace);
-            hotseatBorderSpaces[INDEX_LANDSCAPE] = hotseatBorderSpaces[INDEX_DEFAULT];
+            hotseatBorderSpaces[INDEX_LANDSCAPE] = a.getFloat(
+                    R.styleable.ProfileDisplayOption_hotseatBorderSpaceLandscape,
+                    hotseatBorderSpaces[INDEX_DEFAULT]);
             hotseatBorderSpaces[INDEX_TWO_PANEL_LANDSCAPE] = a.getFloat(
                     R.styleable.ProfileDisplayOption_hotseatBorderSpaceTwoPanelLandscape,
                     hotseatBorderSpaces[INDEX_DEFAULT]);