Fix permissions problems of incidentd.

Test: manual
Change-Id: I4ee0d1f2349ee1a25a422cabf1b5b87c612710d2
diff --git a/cmds/incidentd/src/Reporter.cpp b/cmds/incidentd/src/Reporter.cpp
index 34930aa..bd559d6 100644
--- a/cmds/incidentd/src/Reporter.cpp
+++ b/cmds/incidentd/src/Reporter.cpp
@@ -251,7 +251,7 @@
     // Override umask. Not super critical. If it fails go on with life.
     chmod(filename, 0660);
 
-    if (chown(filename, AID_SYSTEM, AID_SYSTEM)) {
+    if (chown(filename, AID_INCIDENTD, AID_INCIDENTD)) {
         ALOGE("Unable to change ownership of incident file %s: %s\n", filename, strerror(errno));
         status_t err = -errno;
         unlink(mFilename.c_str());