DO NOT MERGE - Fix StatusBar.updateIsKeyguard() when suspending to RAM.

That method was throwing a NPE on automotive because it's called before start()

Test: check logcat while running 'adb shell dumpsys car_service suspend'
Fixes: 146144370
Change-Id: Id863acac44f75b06c8cd1a0f0bcd6f23f8ab6fd9
(cherry picked from commit 20e362a92b8376b590d5df615265050dd6838c91)

packages/SystemUI/src/com/android/systemui/statusbar/phone/StatusBar.java

@@ -3055,10 +3055,21 @@ public class StatusBar extends SystemUI implements DemoMode,
         return mState == StatusBarState.FULLSCREEN_USER_SWITCHER;
     }
 
+    private boolean isAutomotive() {
+        return mContext != null
+                && mContext.getPackageManager().hasSystemFeature(PackageManager.FEATURE_AUTOMOTIVE);
+    }
+
     private boolean updateIsKeyguard() {
         boolean wakeAndUnlocking = mBiometricUnlockController.getMode()
                 == BiometricUnlockController.MODE_WAKE_AND_UNLOCK;
 
+        if (mScreenLifecycle == null && isAutomotive()) {
+            // TODO(b/146144370): workaround to avoid NPE when device goes into STR (Suspend to RAM)
+            Log.w(TAG, "updateIsKeyguard(): mScreenLifeCycle not set yet");
+            mScreenLifecycle = Dependency.get(ScreenLifecycle.class);
+        }
+
         // For dozing, keyguard needs to be shown whenever the device is non-interactive. Otherwise
         // there's no surface we can show to the user. Note that the device goes fully interactive
         // late in the transition, so we also allow the device to start dozing once the screen has