Split up tests by actual hardware keyboard status.

Flag: TEST_ONLY
Bug: 230027385
Test: TaskbarStashControllerTest
Change-Id: I63fc433810af3993db5655571a11887eb2c68422

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

@@ -84,8 +84,6 @@ public class TaskbarStashController implements TaskbarControllers.LoggableTaskba
     private static final String TAG = "TaskbarStashController";
     private static final boolean DEBUG = false;
 
-    private static boolean sEnableSoftwareImeForTests = false;
-
     /**
      * Def. value for @param shouldBubblesFollow in
      * {@link #updateAndAnimateTransientTaskbar(boolean)} */
@@ -1172,13 +1170,13 @@ public class TaskbarStashController implements TaskbarControllers.LoggableTaskba
         }
 
         // Do not stash if pinned taskbar, hardware keyboard is attached and no IME is docked
-        if (isHardwareKeyboard() && DisplayController.isPinnedTaskbar(mActivity)
+        if (mActivity.isHardwareKeyboard() && DisplayController.isPinnedTaskbar(mActivity)
                 && !mActivity.isImeDocked()) {
             return false;
         }
 
         // Do not stash if hardware keyboard is attached, in 3 button nav and desktop windowing mode
-        if (isHardwareKeyboard()
+        if (mActivity.isHardwareKeyboard()
                 && mActivity.isThreeButtonNav()
                 && mControllers.taskbarDesktopModeController.getAreDesktopTasksVisible()) {
             return false;
@@ -1192,21 +1190,6 @@ public class TaskbarStashController implements TaskbarControllers.LoggableTaskba
         return mIsImeShowing || mIsImeSwitcherShowing;
     }
 
-    private boolean isHardwareKeyboard() {
-        return mActivity.isHardwareKeyboard() && !sEnableSoftwareImeForTests;
-    }
-
-    /**
-     * Overrides {@link #isHardwareKeyboard()} to {@code false} for testing, if enabled.
-     * <p>
-     * Virtual devices are sometimes in hardware keyboard mode, leading to an inconsistent
-     * testing environment.
-     */
-    @VisibleForTesting
-    static void enableSoftwareImeForTests(boolean enable) {
-        sEnableSoftwareImeForTests = enable;
-    }
-
     /**
      * Updates the proper flag to indicate whether the task bar should be stashed.
      *