Package coverage files as a zip.

Test: make NATIVE_COVERAGE=true COVERAGE_PATHS="*"
Change-Id: I7ee9253ef47a502a9d29f7e15a4402cbb90e34ae
diff --git a/core/Makefile b/core/Makefile
index c6c4621..bbb97ed 100644
--- a/core/Makefile
+++ b/core/Makefile
@@ -4324,11 +4324,10 @@
 # -----------------------------------------------------------------
 # A zip of the coverage directory.
 #
-name := $(TARGET_PRODUCT)
+name := gcov-report-files-all
 ifeq ($(TARGET_BUILD_TYPE),debug)
 name := $(name)_debug
 endif
-name := $(name)-coverage-$(FILE_NAME_TAG)
 COVERAGE_ZIP := $(PRODUCT_OUT)/$(name).zip
 ifndef TARGET_BUILD_APPS
 $(COVERAGE_ZIP): $(INSTALLED_SYSTEMIMAGE_TARGET) \