Call finished on DataResourceConsumer of R8 partial

Change-Id: I8aca637c36ec1474ebb468c43fc43425fa648f5e

src/main/java/com/android/tools/r8/partial/R8PartialR8Result.java

diff --git a/src/main/java/com/android/tools/r8/partial/R8PartialR8Result.java b/src/main/java/com/android/tools/r8/partial/R8PartialR8Result.java
index bd5fee2..9e4c133 100644
--- a/src/main/java/com/android/tools/r8/partial/R8PartialR8Result.java
+++ b/src/main/java/com/android/tools/r8/partial/R8PartialR8Result.java
@@ -39,5 +39,6 @@
         consumer.accept((DataEntryResource) dataResource, reporter);
       }
     }
+    consumer.finished(reporter);
   }
 }