Enable landscape mode for Recents Go.

Set rotate state to request rotate on the overview state being enabled

Bug: 114136250
Test: Go to recents go, rotate screen
Test: Go to recents from app
Change-Id: If63bf25f61b873f67986e463a980e6d67a9b5ae4
(cherry picked from 20e1f17340c14ff35549e9490da6f75bfe906d44)
diff --git a/go/quickstep/src/com/android/launcher3/uioverrides/states/OverviewState.java b/go/quickstep/src/com/android/launcher3/uioverrides/states/OverviewState.java
index 6730e97..d20910f 100644
--- a/go/quickstep/src/com/android/launcher3/uioverrides/states/OverviewState.java
+++ b/go/quickstep/src/com/android/launcher3/uioverrides/states/OverviewState.java
@@ -18,6 +18,7 @@
 
 import static com.android.launcher3.LauncherAnimUtils.OVERVIEW_TRANSITION_MS;
 import static com.android.launcher3.anim.Interpolators.DEACCEL_2;
+import static com.android.launcher3.states.RotationHelper.REQUEST_ROTATE;
 
 import com.android.launcher3.DeviceProfile;
 import com.android.launcher3.Launcher;
@@ -51,6 +52,9 @@
     public void onStateEnabled(Launcher launcher) {
         IconRecentsView recentsView = launcher.getOverviewPanel();
         recentsView.onBeginTransitionToOverview();
+        // Request orientation be set to unspecified, letting the system decide the best
+        // orientation.
+        launcher.getRotationHelper().setCurrentStateRequest(REQUEST_ROTATE);
     }
 
     @Override