Change Pinned taskbar corners to be fixed.

Based on new UX guidelines, the corners for the pinned taskbar should be 16 dp.

Fix: 337872323
Test: Put device in 3 button mode and pinned taskbar and observe
sharper, fixed corners. Transient taskbar remains unchanged.
Flag: EXEMPT bugfix

Change-Id: I2130e91dcdc0afb007fde93438f3fa603bc15af8

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

@@ -63,7 +63,6 @@ import android.provider.Settings;
 import android.util.Log;
 import android.view.Display;
 import android.view.Gravity;
-import android.view.RoundedCorner;
 import android.view.Surface;
 import android.view.View;
 import android.view.WindowInsets;
@@ -167,7 +166,6 @@ public class TaskbarActivityContext extends BaseTaskbarContext {
     private final TaskbarControllers mControllers;
 
     private final WindowManager mWindowManager;
-    private final @Nullable RoundedCorner mLeftCorner, mRightCorner;
     private DeviceProfile mDeviceProfile;
     private WindowManager.LayoutParams mWindowLayoutParams;
     private boolean mIsFullscreen;
@@ -228,16 +226,8 @@ public class TaskbarActivityContext extends BaseTaskbarContext {
         Context c = getApplicationContext();
         mWindowManager = c.getSystemService(WindowManager.class);
 
-        boolean phoneMode = isPhoneMode();
-        mLeftCorner = phoneMode
-                ? null
-                : display.getRoundedCorner(RoundedCorner.POSITION_BOTTOM_LEFT);
-        mRightCorner = phoneMode
-                ? null
-                : display.getRoundedCorner(RoundedCorner.POSITION_BOTTOM_RIGHT);
-
         // Inflate views.
-        int taskbarLayout = DisplayController.isTransientTaskbar(this) && !phoneMode
+        int taskbarLayout = DisplayController.isTransientTaskbar(this) && !isPhoneMode()
                 ? R.layout.transient_taskbar
                 : R.layout.taskbar;
         mDragLayer = (TaskbarDragLayer) mLayoutInflater.inflate(taskbarLayout, null, false);
@@ -617,12 +607,9 @@ public class TaskbarActivityContext extends BaseTaskbarContext {
         return mImeDrawsImeNavBar;
     }
 
-    public int getLeftCornerRadius() {
-        return mLeftCorner == null ? 0 : mLeftCorner.getRadius();
-    }
-
-    public int getRightCornerRadius() {
-        return mRightCorner == null ? 0 : mRightCorner.getRadius();
+    public int getCornerRadius() {
+        return isPhoneMode() ? 0 : getResources().getDimensionPixelSize(
+                R.dimen.persistent_taskbar_corner_radius);
     }
 
     public WindowManager.LayoutParams getWindowLayoutParams() {
@@ -1015,7 +1002,7 @@ public class TaskbarActivityContext extends BaseTaskbarContext {
 
 
         return mDeviceProfile.taskbarHeight
-                + Math.max(getLeftCornerRadius(), getRightCornerRadius())
+                + getCornerRadius()
                 + extraHeightForTaskbarTooltips;
     }