[owners] Ensure OWNERS file ends with newline in //url

Some OWNERS file ends with a newline character, some don't. As
text editor tends to add newline at the end of text files when
saving, normalize all OWNERS files to end with a newline '\n'.

Bug: none
Change-Id: I3e7afdcfdd14bf8fe51c58d7bd1ea0cfd1843493
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2905627
Auto-Submit: Sylvain Defresne <sdefresne@chromium.org>
Reviewed-by: Daniel Cheng <dcheng@chromium.org>
Commit-Queue: Daniel Cheng <dcheng@chromium.org>
Cr-Commit-Position: refs/heads/master@{#884593}

url/ipc/OWNERS

@@ -1,2 +1,2 @@
 per-file *_param_traits*.*=set noparent
-per-file *_param_traits*.*=file://ipc/SECURITY_OWNERS
+per-file *_param_traits*.*=file://ipc/SECURITY_OWNERS

url/mojom/OWNERS

@@ -1,4 +1,4 @@
 per-file *.mojom=set noparent
 per-file *.mojom=file://ipc/SECURITY_OWNERS
 per-file *_mojom_traits*.*=set noparent
-per-file *_mojom_traits*.*=file://ipc/SECURITY_OWNERS
+per-file *_mojom_traits*.*=file://ipc/SECURITY_OWNERS