Logging of setting ro.device_owner property

Without logging of setting it's impossible to test the setup, unless
device is rooted.

Bug: 22860162
Change-Id: I0532654ef4e4b7272d2749b30590a1b47da9f645
diff --git a/services/devicepolicy/java/com/android/server/devicepolicy/DevicePolicyManagerService.java b/services/devicepolicy/java/com/android/server/devicepolicy/DevicePolicyManagerService.java
index b48c185..a01002b 100644
--- a/services/devicepolicy/java/com/android/server/devicepolicy/DevicePolicyManagerService.java
+++ b/services/devicepolicy/java/com/android/server/devicepolicy/DevicePolicyManagerService.java
@@ -1664,12 +1664,14 @@
         } else {
             if (mOwners.hasDeviceOwner()) {
                 mInjector.systemPropertiesSet(PROPERTY_DEVICE_OWNER_PRESENT, "true");
+                Slog.i(LOG_TAG, "Set ro.device_owner property to true");
                 disableDeviceLoggingIfNotCompliant();
                 if (mInjector.securityLogGetLoggingEnabledProperty()) {
                     mSecurityLogMonitor.start();
                 }
             } else {
                 mInjector.systemPropertiesSet(PROPERTY_DEVICE_OWNER_PRESENT, "false");
+                Slog.i(LOG_TAG, "Set ro.device_owner property to false");
             }
         }
     }