Revert "Draw rounded corners above the taskbar"

This reverts commit 157d3b950d.

Reason for revert: b/197129604
Bug: 197129604
Change-Id: Idf2267528fade23291aedea9787d98601495537c

quickstep/src/com/android/launcher3/taskbar/TaskbarActivityContext.java

@@ -36,7 +36,6 @@ import android.view.ContextThemeWrapper;
 import android.view.Display;
 import android.view.Gravity;
 import android.view.LayoutInflater;
-import android.view.RoundedCorner;
 import android.view.View;
 import android.view.WindowManager;
 import android.widget.FrameLayout;
@@ -84,7 +83,6 @@ public class TaskbarActivityContext extends ContextThemeWrapper implements Activ
     private final TaskbarControllers mControllers;
 
     private final WindowManager mWindowManager;
-    private final RoundedCorner mLeftCorner, mRightCorner;
     private WindowManager.LayoutParams mWindowLayoutParams;
     private boolean mIsFullscreen;
     // The size we should return to when we call setTaskbarWindowFullscreen(false)
@@ -138,12 +136,10 @@ public class TaskbarActivityContext extends ContextThemeWrapper implements Activ
                 ? windowContext.getApplicationContext()
                 : windowContext.getApplicationContext().createDisplayContext(display);
         mWindowManager = c.getSystemService(WindowManager.class);
-        mLeftCorner = display.getRoundedCorner(RoundedCorner.POSITION_BOTTOM_LEFT);
-        mRightCorner = display.getRoundedCorner(RoundedCorner.POSITION_BOTTOM_RIGHT);
     }
 
     public void init() {
-        mLastRequestedNonFullscreenHeight = getDefaultTaskbarWindowHeight();
+        mLastRequestedNonFullscreenHeight = mDeviceProfile.taskbarSize;
         mWindowLayoutParams = new WindowManager.LayoutParams(
                 MATCH_PARENT,
                 mLastRequestedNonFullscreenHeight,
@@ -173,14 +169,6 @@ public class TaskbarActivityContext extends ContextThemeWrapper implements Activ
         return mNavMode == Mode.THREE_BUTTONS;
     }
 
-    public RoundedCorner getLeftCorner() {
-        return mLeftCorner;
-    }
-
-    public RoundedCorner getRightCorner() {
-        return mRightCorner;
-    }
-
     @Override
     public LayoutInflater getLayoutInflater() {
         return mLayoutInflater;
@@ -262,12 +250,8 @@ public class TaskbarActivityContext extends ContextThemeWrapper implements Activ
         setTaskbarWindowHeight(fullscreen ? MATCH_PARENT : mLastRequestedNonFullscreenHeight);
     }
 
-    public boolean isTaskbarWindowFullscreen() {
-        return mIsFullscreen;
-    }
-
     /**
-     * Updates the TaskbarContainer height (pass {@link #getDefaultTaskbarWindowHeight()} to reset).
+     * Updates the TaskbarContainer height (pass deviceProfile.taskbarSize to reset).
      */
     public void setTaskbarWindowHeight(int height) {
         if (mWindowLayoutParams.height == height || mIsDestroyed) {
@@ -287,14 +271,6 @@ public class TaskbarActivityContext extends ContextThemeWrapper implements Activ
         mWindowManager.updateViewLayout(mDragLayer, mWindowLayoutParams);
     }
 
-    /**
-     * Returns the default height of the window, including the static corner radii above taskbar.
-     */
-    public int getDefaultTaskbarWindowHeight() {
-        return mDeviceProfile.taskbarSize
-                + Math.max(mLeftCorner.getRadius(), mRightCorner.getRadius());
-    }
-
     protected void onTaskbarIconClicked(View view) {
         Object tag = view.getTag();
         if (tag instanceof Task) {