weaved: Temporarily disable keystore_encryptor

Keystore has a bug that leads to memory corruption and process
crash. Until that bug is fixed, we can't use it, so fall back to
the fake encryptor.

BUG: 24905120
Change-Id: I02ea19431ea9aa9f46c3ad45d880af4b7edf276a
diff --git a/Android.mk b/Android.mk
index f207dbe..1c154c3 100644
--- a/Android.mk
+++ b/Android.mk
@@ -88,11 +88,11 @@
 	buffet/dbus_bindings/com.android.Weave.Command.dbus-xml \
 	buffet/dbus_bindings/com.android.Weave.Manager.dbus-xml \
 
-ifdef BRILLO
-LOCAL_SRC_FILES += buffet/keystore_encryptor.cc
-else
+#ifdef BRILLO
+#LOCAL_SRC_FILES += buffet/keystore_encryptor.cc
+#else
 LOCAL_SRC_FILES += buffet/fake_encryptor.cc
-endif
+#endif
 
 include $(BUILD_STATIC_LIBRARY)