Fail staged session if apexd session is in ROLLBACK_IN_PROGRESS state

This covers a (very unlikely) scenario, in which device was rebooted
during apexd rollback, and apexd wasn't able to resume rollback after
the reboot.

For a tiny bit more context see: aosp/912794

Bug: 123622800
Test: none
Change-Id: Idbb142dce2dbc85b818ba42e93ab107e4955301d

services/core/java/com/android/server/pm/StagingManager.java

@@ -491,8 +491,10 @@ public class StagingManager {
     }
 
     private static boolean isApexSessionFailed(ApexSessionInfo apexSessionInfo) {
+        // isRollbackInProgress is included to cover the scenario, when a device is rebooted in
+        // during the rollback, and apexd fails to resume the rollback after reboot.
         return apexSessionInfo.isActivationFailed || apexSessionInfo.isUnknown
-                || apexSessionInfo.isRolledBack;
+                || apexSessionInfo.isRolledBack || apexSessionInfo.isRollbackInProgress;
     }
 
     @GuardedBy("mStagedSessions")