Installation hardening: reducing read timeout during installation.

And then restoring post-install.

Bug: 160635296
Test: atest PackageManagerShellCommandTest PackageManagerShellCommandIncrementalTest IncrementalServiceTest PackageManagerServiceTest ChecksumsTest

Change-Id: I0821458bf92db162518a2cbcb7499cd7544e64f2
diff --git a/services/incremental/BinderIncrementalService.cpp b/services/incremental/BinderIncrementalService.cpp
index 63488f9..f843ea4 100644
--- a/services/incremental/BinderIncrementalService.cpp
+++ b/services/incremental/BinderIncrementalService.cpp
@@ -150,6 +150,11 @@
     return ok();
 }
 
+binder::Status BinderIncrementalService::onInstallationComplete(int32_t storageId) {
+    mImpl.onInstallationComplete(storageId);
+    return ok();
+}
+
 binder::Status BinderIncrementalService::makeBindMount(int32_t storageId,
                                                        const std::string& sourcePath,
                                                        const std::string& targetFullPath,