Potential deadlock mitigation.

+better error logging

DataLoaders might report user statuses from lifecycle callbacks.
Immediate processing of such might introduce infinite loops/deadlocks e.g.
DataLoader_OnStop -> reportStatus(UNRECOVERABLE) -> fsmStep -> DataLoader_OnStop

Bug: 160634487
Test: atest PackageManagerShellCommandTest PackageManagerShellCommandIncrementalTest IncrementalServiceTest PackageManagerServiceTest ChecksumsTest
Change-Id: Ic68657d7a8cd6c6855b6f5295276a42b3cb09117
diff --git a/services/incremental/IncrementalService.h b/services/incremental/IncrementalService.h
index 459ed32..d8f2c91 100644
--- a/services/incremental/IncrementalService.h
+++ b/services/incremental/IncrementalService.h
@@ -234,6 +234,8 @@
         binder::Status onStatusChanged(MountId mount, int newStatus) final;
         binder::Status reportStreamHealth(MountId mount, int newStatus) final;
 
+        void setCurrentStatus(int newStatus);
+
         sp<content::pm::IDataLoader> getDataLoader();
 
         bool bind();