Package breakpad symbols in target files zip

When BREAKPAD_GENERATE_SYMBOLS is set to true, package the breakpad
symbols into the target files zip thats generated with `make dist`.

Bug: 24165970
Change-Id: I11c0d9a9d9e159475bfdb7bc338f9e9ac60aeada
diff --git a/core/Makefile b/core/Makefile
index 0f200f9..6676bee 100644
--- a/core/Makefile
+++ b/core/Makefile
@@ -1563,6 +1563,10 @@
 	$(hide) PATH=$(foreach p,$(INTERNAL_USERIMAGES_BINARY_PATHS),$(p):)$$PATH MKBOOTIMG=$(MKBOOTIMG) \
 	    ./build/tools/releasetools/make_recovery_patch $(zip_root) $(zip_root)
 endif
+ifeq ($(BREAKPAD_GENERATE_SYMBOLS),true)
+	# If breakpad symbols have been generated, add them to the zip.
+	$(hide) $(ACP) -r $(TARGET_OUT_BREAKPAD) $(zip_root)/BREAKPAD
+endif
 	@# Zip everything up, preserving symlinks
 	$(hide) (cd $(zip_root) && zip -qry ../$(notdir $@) .)
 	@# Run fs_config on all the system, vendor, boot ramdisk,