Update TWRP to AOSP 7.1.2

Change-Id: I19c1546efb4182aac62c690e3cc05b04e3a9a32e
diff --git a/Android.mk b/Android.mk
index 5a37b62..3d3428f 100644
--- a/Android.mk
+++ b/Android.mk
@@ -652,9 +652,9 @@
     include $(commands_recovery_local_path)/minadbd/Android.mk \
         $(commands_recovery_local_path)/minui/Android.mk
 else
-    TARGET_GLOBAL_CFLAGS += -DTW_USE_OLD_MINUI_H
-    include $(commands_recovery_local_path)/minadbd.old/Android.mk \
-        $(commands_recovery_local_path)/minui.old/Android.mk
+    TARGET_GLOBAL_CFLAGS += -DTW_USE_MINUI_21
+    include $(commands_recovery_local_path)/minadbd21/Android.mk \
+        $(commands_recovery_local_path)/minui21/Android.mk
 endif
 
 #includes for TWRP