Add libkeyutils.

Also move init over to it.

Bug: http://b/37991155
Test: builds+boots
Change-Id: I5113a9d96a5ce0a0f3bad71134d6cc4f7b41a57e
diff --git a/init/Android.mk b/init/Android.mk
index 537bbee..c7a41e3 100644
--- a/init/Android.mk
+++ b/init/Android.mk
@@ -124,7 +124,8 @@
     libsparse \
     libz \
     libprocessgroup \
-    libavb
+    libavb \
+    libkeyutils \
 
 # Create symlinks.
 LOCAL_POST_INSTALL_CMD := $(hide) mkdir -p $(TARGET_ROOT_OUT)/sbin; \