Revert "Connect split-screen things to systemui divider"

Revert "SystemUI Split via TaskOrganizer"

Revert "Update CTS tests for tile-based split-screen"

Revert submission 9964969-sysui_split_screen

Reason for revert:
- Random SysUI crash (ag/10335781)
- Breaks IME tests with new_insets set to 2
- Crashes SysUI in split screen with new_insets set to 2.

Reverted Changes:
I103f68030: SystemUI Split via TaskOrganizer
If6740b7ee: Connect split-screen things to systemui divider
I44f497e7d: Update CTS tests for tile-based split-screen

Exempt-From-Owner-Approval: Revert
Change-Id: I9d5d7f0447fdfaf73f4e0a6450a2107bceec39cb
diff --git a/quickstep/src/com/android/quickstep/RecentsAnimationController.java b/quickstep/src/com/android/quickstep/RecentsAnimationController.java
index d3be0b9..46af8bf 100644
--- a/quickstep/src/com/android/quickstep/RecentsAnimationController.java
+++ b/quickstep/src/com/android/quickstep/RecentsAnimationController.java
@@ -81,9 +81,12 @@
             mWindowThresholdCrossed = windowThresholdCrossed;
             UI_HELPER_EXECUTOR.execute(() -> {
                 mController.setAnimationTargetsBehindSystemBars(!windowThresholdCrossed);
-                SystemUiProxy p = SystemUiProxy.INSTANCE.getNoCreate();
-                if (p != null && mShouldMinimizeSplitScreen) {
-                    p.setSplitScreenMinimized(windowThresholdCrossed);
+                if (mShouldMinimizeSplitScreen && windowThresholdCrossed) {
+                    // NOTE: As a workaround for conflicting animations (Launcher animating the task
+                    // leash, and SystemUI resizing the docked stack, which resizes the task), we
+                    // currently only set the minimized mode, and not the inverse.
+                    // TODO: Synchronize the minimize animation with the launcher animation
+                    mController.setSplitScreenMinimized(windowThresholdCrossed);
                 }
             });
         }
diff --git a/quickstep/src/com/android/quickstep/SystemUiProxy.java b/quickstep/src/com/android/quickstep/SystemUiProxy.java
index d9cb240..3c6537a 100644
--- a/quickstep/src/com/android/quickstep/SystemUiProxy.java
+++ b/quickstep/src/com/android/quickstep/SystemUiProxy.java
@@ -296,15 +296,4 @@
             }
         }
     }
-
-    @Override
-    public void setSplitScreenMinimized(boolean minimized) {
-        if (mSystemUiProxy != null) {
-            try {
-                mSystemUiProxy.setSplitScreenMinimized(minimized);
-            } catch (RemoteException e) {
-                Log.w(TAG, "Failed call stopScreenPinning", e);
-            }
-        }
-    }
 }