Change name from skia.primary->luci.skia.skia.primary

From https://bugs.chromium.org/p/chromium/issues/detail?id=1024947#c9

Bug: chromium:1024947
Change-Id: Iad04cb1f9c6900b0c098db46d40289cd98578c03
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/268939
Reviewed-by: Eric Boren <borenet@google.com>
Commit-Queue: Ravi Mistry <rmistry@google.com>

Author: rmistry

infra/bots/update_meta_config.py

@@ -56,7 +56,7 @@ def main():
         addChromiumBuckets(f)
 
       # Adding all Skia jobs.
-      f.write('[bucket "skia.primary"]\n')
+      f.write('[bucket "luci.skia.skia.primary"]\n')
       for job in tryjobs:
         f.write('\tbuilder = ' + job + '\n')