Clean up dangling module names

Those modules have disappeared from the source tree.

https://code.google.com/p/android/issues/detail?id=61210

Change-Id: Iab369d2f591f46eb86b9fccf2087515edf974662
diff --git a/core/main.mk b/core/main.mk
index b593acd..de03e31 100644
--- a/core/main.mk
+++ b/core/main.mk
@@ -698,9 +698,13 @@
 
   # Ensure every module listed in PRODUCT_PACKAGES* gets something installed
   # TODO: Should we do this for all builds and not just the sdk?
+  dangling_modules :=
   $(foreach m, $(PRODUCTS.$(INTERNAL_PRODUCT).PRODUCT_PACKAGES), \
     $(if $(strip $(ALL_MODULES.$(m).INSTALLED)),,\
-      $(error $(ALL_MODULES.$(m).MAKEFILE): Module '$(m)' in PRODUCT_PACKAGES has nothing to install!)))
+      $(eval dangling_modules += $(m))))
+  ifneq ($(dangling_modules),)
+    $(error Module names '$(dangling_modules)' in PRODUCT_PACKAGES has nothing to install!)
+  endif
   $(foreach m, $(PRODUCTS.$(INTERNAL_PRODUCT).PRODUCT_PACKAGES_DEBUG), \
     $(if $(strip $(ALL_MODULES.$(m).INSTALLED)),,\
       $(warning $(ALL_MODULES.$(m).MAKEFILE): Module '$(m)' in PRODUCT_PACKAGES_DEBUG has nothing to install!)))