Revert "Revert "Revert "Revert "Dynamic insertion of pubkey to mac_permissions.xml""""

This reverts commit 60d4d71ead9e9ac96e9cb81380c254bac3a9df4f

This should (finally) be fixed in https://android-review.googlesource.com/#/c/54730/

Change-Id: I3dd358560f7236f28387ffbe247fc2b004e303ea
diff --git a/tools/Android.mk b/tools/Android.mk
index 8d61e25..ab30c3c 100644
--- a/tools/Android.mk
+++ b/tools/Android.mk
@@ -22,3 +22,14 @@
 LOCAL_STATIC_LIBRARIES := libsepol libselinux
 
 include $(BUILD_HOST_EXECUTABLE)
+
+##################################
+include $(CLEAR_VARS)
+
+LOCAL_MODULE := insertkeys.py
+LOCAL_SRC_FILES := insertkeys.py
+LOCAL_MODULE_CLASS := EXECUTABLES
+LOCAL_IS_HOST_MODULE := true
+LOCAL_MODULE_TAGS := optional
+
+include $(BUILD_PREBUILT)