am e9456781: Merge "Loosen the constraint for releasing a shared file." into lmp-dev

* commit 'e9456781c0b4d6ccc70a5378ecd802fd28554796':
  Loosen the constraint for releasing a shared file.
diff --git a/packages/PrintSpooler/src/com/android/printspooler/model/MutexFileProvider.java b/packages/PrintSpooler/src/com/android/printspooler/model/MutexFileProvider.java
index 1f48638..0df5e3c 100644
--- a/packages/PrintSpooler/src/com/android/printspooler/model/MutexFileProvider.java
+++ b/packages/PrintSpooler/src/com/android/printspooler/model/MutexFileProvider.java
@@ -93,7 +93,7 @@
     public void releaseFile() {
         synchronized (mLock) {
             if (mOwnerThread != Thread.currentThread()) {
-                throw new IllegalStateException("Not acquired");
+                return;
             }
 
             if (DEBUG) {