am de32713f: Merge "Collect and store proguard obfuscation dictionary files." into jb-mr2-dev

* commit 'de32713f47b33c6d4c0bb4c8943e1eccf81aa0c5':
  Collect and store proguard obfuscation dictionary files.

core/Makefile

@@ -1391,6 +1391,24 @@ $(EMMA_META_ZIP) :
 
 endif # EMMA_INSTRUMENT=true
 
+#------------------------------------------------------------------
+# A zip of Proguard obfuscation dictionary files.
+# Only for apps_only build.
+#
+ifdef TARGET_BUILD_APPS
+PROGUARD_DICT_ZIP := $(PRODUCT_OUT)/proguard-dict-$(FILE_NAME_TAG).zip
+# the dependency will be set up later in build/core/main.mk.
+$(PROGUARD_DICT_ZIP) :
+	@echo "Packaging Proguard obfuscation dictionary files."
+	$(hide) dict_files=`find $(TARGET_OUT_COMMON_INTERMEDIATES)/APPS -name proguard_dictionary`; \
+		if [ -n "$$dict_files" ]; then \
+		  zip -q $@ $$dict_files; \
+		else \
+		  touch $@; \
+		fi
+
+endif # TARGET_BUILD_APPS
+
 # -----------------------------------------------------------------
 # dalvik something
 .PHONY: dalvikfiles

core/main.mk

@@ -819,6 +819,9 @@ ifneq ($(TARGET_BUILD_APPS),)
     $(call dist-for-goals,apps_only, $(EMMA_META_ZIP))
   endif
 
+  $(PROGUARD_DICT_ZIP) : $(apps_only_installed_files)
+  $(call dist-for-goals,apps_only, $(PROGUARD_DICT_ZIP))
+
 .PHONY: apps_only
 apps_only: $(unbundled_build_modules)