Remove deprecated verticalBar layout in Overview

Removes code that was intended for a now-deprecated layout style in Overview. See ag/18386646 for an example of an issue caused by this.

Bug: 232298587
Test: Manual on 3 devices
Change-Id: Icfd40e1e5a99cf5821b1c46357db58a31daaa835
diff --git a/quickstep/res/values-land/dimens.xml b/quickstep/res/values-land/dimens.xml
index f233bde..732f511 100644
--- a/quickstep/res/values-land/dimens.xml
+++ b/quickstep/res/values-land/dimens.xml
@@ -15,7 +15,8 @@
      limitations under the License.
 -->
 <resources>
-    <dimen name="overview_task_margin">8dp</dimen>
+    <!--  Overview actions  -->
+    <dimen name="overview_actions_top_margin">12dp</dimen>
 
     <!-- Tips Gesture Tutorial -->
     <dimen name="gesture_tutorial_feedback_margin_start_end">126dp</dimen>
diff --git a/quickstep/src/com/android/quickstep/views/OverviewActionsView.java b/quickstep/src/com/android/quickstep/views/OverviewActionsView.java
index 1c4e497..3133453 100644
--- a/quickstep/src/com/android/quickstep/views/OverviewActionsView.java
+++ b/quickstep/src/com/android/quickstep/views/OverviewActionsView.java
@@ -22,10 +22,8 @@
 import android.util.AttributeSet;
 import android.view.View;
 import android.view.View.OnClickListener;
-import android.view.ViewGroup;
 import android.widget.Button;
 import android.widget.FrameLayout;
-import android.widget.LinearLayout;
 
 import androidx.annotation.IntDef;
 import androidx.annotation.Nullable;
@@ -233,10 +231,6 @@
             return 0;
         }
 
-        if (mDp.isVerticalBarLayout()) {
-            return mDp.getInsets().bottom;
-        }
-
         if (!mDp.isGestureMode && mDp.isTaskbarPresent) {
             return mDp.getOverviewActionsClaimedSpaceBelow();
         }
@@ -254,12 +248,6 @@
         mTaskSize.set(taskSize);
         updateVerticalMargin(DisplayController.getNavigationMode(getContext()));
 
-        LinearLayout.LayoutParams params = new LinearLayout.LayoutParams(
-                dp.isVerticalBarLayout() ? 0 : dp.overviewActionsButtonSpacing,
-                ViewGroup.LayoutParams.MATCH_PARENT);
-        params.weight = dp.isVerticalBarLayout() ? 1 : 0;
-        findViewById(R.id.action_split_space).setLayoutParams(params);
-
         requestLayout();
 
         mSplitButton.setCompoundDrawablesWithIntrinsicBounds(
diff --git a/src/com/android/launcher3/DeviceProfile.java b/src/com/android/launcher3/DeviceProfile.java
index 5152217..1e3aa0d 100644
--- a/src/com/android/launcher3/DeviceProfile.java
+++ b/src/com/android/launcher3/DeviceProfile.java
@@ -411,10 +411,7 @@
         overviewTaskIconDrawableSizeGridPx =
                 res.getDimensionPixelSize(R.dimen.task_thumbnail_icon_drawable_size_grid);
         overviewTaskThumbnailTopMarginPx = overviewTaskIconSizePx + overviewTaskMarginPx * 2;
-        // In vertical bar, use the smaller task margin for the top regardless of mode.
-        overviewActionsTopMarginPx = isVerticalBarLayout()
-                ? overviewTaskMarginPx
-                : res.getDimensionPixelSize(R.dimen.overview_actions_top_margin);
+        overviewActionsTopMarginPx = res.getDimensionPixelSize(R.dimen.overview_actions_top_margin);
         overviewPageSpacing = res.getDimensionPixelSize(R.dimen.overview_page_spacing);
         overviewActionsButtonSpacing = res.getDimensionPixelSize(
                 R.dimen.overview_actions_button_spacing);