Make naming scheme more meaningful

Change-Id: Ifcaf00c760ff452b0e85a88b54e91ca0f2f4644a
diff --git a/Android.mk b/Android.mk
index 1e894f1..eafb1fa 100644
--- a/Android.mk
+++ b/Android.mk
@@ -574,7 +574,7 @@
 ifeq ($(shell test $(PLATFORM_SDK_VERSION) -lt 24; echo $$?),0)
     LOCAL_SHARED_LIBRARIES += libmincrypttwrp
     LOCAL_C_INCLUDES := $(LOCAL_PATH)/libmincrypt/includes
-    LOCAL_SRC_FILES += oldverifier/verifier.cpp
+    LOCAL_SRC_FILES += verifier24/verifier.cpp
     LOCAL_CFLAGS += -DUSE_OLD_VERIFIER
 else
     LOCAL_SHARED_LIBRARIES += libcrypto