Merge "Keep finalized staged sessions in session database" into qt-dev

am: 141d330086

Change-Id: I40f6298968a83d82cf5be9df43ff074496eb94b4

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

@@ -2050,6 +2050,13 @@ public class PackageInstallerSession extends IPackageInstallerSession.Stub {
         synchronized (mLock) {
             assertCallerIsOwnerOrRootLocked();
 
+            if (isStagedAndInTerminalState()) {
+                // We keep the session in the database if it's in a finalized state. It will be
+                // removed by PackageInstallerService when the last update time is old enough.
+                // Also, in such cases cleanStageDir() has already been executed so no need to
+                // do it now.
+                return;
+            }
             if (mCommitted && params.isStaged) {
                 synchronized (mLock) {
                     mDestroyed = true;