Change the content of lsdump_paths.txt to newline-separated paths

This commit changes the delimiters from space characters to newline
characters so that lsdump_paths.txt can be easily read and parsed by
human.

Bug: 111814844
Test: m vndk findlsdumps -j18
Change-Id: I5c50934a0f035244cff71351d9f4be4203222590
diff --git a/core/Makefile b/core/Makefile
index 9c26b8b..d8f5256 100644
--- a/core/Makefile
+++ b/core/Makefile
@@ -3641,4 +3641,4 @@
 # Find lsdump paths
 FIND_LSDUMPS_FILE := $(PRODUCT_OUT)/lsdump_paths.txt
 $(FIND_LSDUMPS_FILE) : $(LSDUMP_PATHS)
-	$(hide) rm -rf $@ && echo "$^" > $@
+	$(hide) rm -rf $@ && echo "$^" | sed -e 's/ /\n/g' > $@