Allow lease expiry to be +ve when the corresponding blobs expiry is 0.

It is fine for an app to aquire a lease until a certain time
even if the corresponding the blob doesn't have a expiry date associated
with it.

Fixes: 149789374
Test: atest --test-mapping apex/blobstore
Change-Id: I76f7bdb616d78a5d83a8489a898f1e6015589f38

apex/blobstore/service/java/com/android/server/blob/BlobStoreManagerService.java

@@ -334,7 +334,8 @@ public class BlobStoreManagerService extends SystemService {
                 throw new SecurityException("Caller not allowed to access " + blobHandle
                         + "; callingUid=" + callingUid + ", callingPackage=" + callingPackage);
             }
-            if (leaseExpiryTimeMillis != 0 && leaseExpiryTimeMillis > blobHandle.expiryTimeMillis) {
+            if (leaseExpiryTimeMillis != 0 && blobHandle.expiryTimeMillis != 0
+                    && leaseExpiryTimeMillis > blobHandle.expiryTimeMillis) {
                 throw new IllegalArgumentException(
                         "Lease expiry cannot be later than blobs expiry time");
             }