Wait for APK to be fully downloaded for full APK digests.

Bug: 160605420
Test: atest ChecksumsTest
Change-Id: Ib9fd591c67290786268b6dcdc57c7db153612e01
diff --git a/services/incremental/BinderIncrementalService.cpp b/services/incremental/BinderIncrementalService.cpp
index 41945a2..87ae4d7 100644
--- a/services/incremental/BinderIncrementalService.cpp
+++ b/services/incremental/BinderIncrementalService.cpp
@@ -237,6 +237,13 @@
     return ok();
 }
 
+binder::Status BinderIncrementalService::isFileFullyLoaded(int32_t storageId,
+                                                           const std::string& path,
+                                                           int32_t* _aidl_return) {
+    *_aidl_return = mImpl.isFileFullyLoaded(storageId, path);
+    return ok();
+}
+
 binder::Status BinderIncrementalService::getLoadingProgress(int32_t storageId,
                                                             float* _aidl_return) {
     *_aidl_return = mImpl.getLoadingProgress(storageId);