updater_sample: Add @GuardedBy

Test: on the device
Change-Id: I15762dafec1814980e1c2529f5fc2048853c8ff2
Signed-off-by: Zhomart Mukhamejanov <zhomart@google.com>
diff --git a/updater_sample/Android.mk b/updater_sample/Android.mk
index 056ad66..7662111 100644
--- a/updater_sample/Android.mk
+++ b/updater_sample/Android.mk
@@ -18,8 +18,8 @@
 include $(CLEAR_VARS)
 
 LOCAL_PACKAGE_NAME := SystemUpdaterSample
-LOCAL_SDK_VERSION := system_current
 LOCAL_MODULE_TAGS := samples
+LOCAL_SDK_VERSION := system_current
 
 # TODO: enable proguard and use proguard.flags file
 LOCAL_PROGUARD_ENABLED := disabled