hotp: Android.mk: fix module name

Signed-off-by: Victor Chong <victor.chong@linaro.org>
Reviewed-by: Joakim Bech <joakim.bech@linaro.org>
diff --git a/hotp/Android.mk b/hotp/Android.mk
index b3b680e..6212b47 100644
--- a/hotp/Android.mk
+++ b/hotp/Android.mk
@@ -13,7 +13,7 @@
 		    $(OPTEE_CLIENT_EXPORT)/include
 
 LOCAL_SHARED_LIBRARIES := libteec
-LOCAL_MODULE := hotp
+LOCAL_MODULE := optee_example_hotp
 LOCAL_MODULE_TAGS := optional
 include $(BUILD_EXECUTABLE)