Enable predictive back in TAPL tests

With ag/26349940 we have fixed the bug where back swipe is not working

Fix: 326118348
Test: this is the test
Flag: NONE
Change-Id: I7e826f6ba3022a04d016d4a0a2134e287d85e8be
diff --git a/src/com/android/launcher3/DeviceProfile.java b/src/com/android/launcher3/DeviceProfile.java
index 4b4bdc2..7e6835b 100644
--- a/src/com/android/launcher3/DeviceProfile.java
+++ b/src/com/android/launcher3/DeviceProfile.java
@@ -101,6 +101,7 @@
     public final boolean transposeLayoutWithOrientation;
     public final boolean isMultiDisplay;
     public final boolean isTwoPanels;
+    public boolean isPredictiveBackSwipe;
     public final boolean isQsbInline;
 
     // Device properties in current orientation
diff --git a/src/com/android/launcher3/testing/TestInformationHandler.java b/src/com/android/launcher3/testing/TestInformationHandler.java
index 07df7af..12cdd67 100644
--- a/src/com/android/launcher3/testing/TestInformationHandler.java
+++ b/src/com/android/launcher3/testing/TestInformationHandler.java
@@ -19,9 +19,9 @@
 import static com.android.launcher3.allapps.AllAppsStore.DEFER_UPDATES_TEST;
 import static com.android.launcher3.config.FeatureFlags.ENABLE_TASKBAR_NAVBAR_UNIFICATION;
 import static com.android.launcher3.config.FeatureFlags.FOLDABLE_SINGLE_PAGE;
+import static com.android.launcher3.config.FeatureFlags.enableAppPairs;
 import static com.android.launcher3.config.FeatureFlags.enableSplitContextually;
 import static com.android.launcher3.testing.shared.TestProtocol.TEST_INFO_RESPONSE_FIELD;
-import static com.android.launcher3.config.FeatureFlags.enableAppPairs;
 import static com.android.launcher3.util.Executors.MAIN_EXECUTOR;
 
 import android.app.Activity;
@@ -183,7 +183,10 @@
             case TestProtocol.REQUEST_IS_TABLET:
                 response.putBoolean(TestProtocol.TEST_INFO_RESPONSE_FIELD, mDeviceProfile.isTablet);
                 return response;
-
+            case TestProtocol.REQUEST_IS_PREDICTIVE_BACK_SWIPE_ENABLED:
+                response.putBoolean(TestProtocol.TEST_INFO_RESPONSE_FIELD,
+                        mDeviceProfile.isPredictiveBackSwipe);
+                return response;
             case TestProtocol.REQUEST_ENABLE_TASKBAR_NAVBAR_UNIFICATION:
                 response.putBoolean(TestProtocol.TEST_INFO_RESPONSE_FIELD,
                         ENABLE_TASKBAR_NAVBAR_UNIFICATION);