Final step of the java_cpp_template -> java_cpp_enum migration.

This CL migrates the remaining gyp/gn rules away from the
java_cpp_template rule.

BUG=405532

Review URL: https://codereview.chromium.org/659493003

Cr-Commit-Position: refs/heads/master@{#300881}
diff --git a/build/get_landmines.py b/build/get_landmines.py
index f15d8db..14170df 100755
--- a/build/get_landmines.py
+++ b/build/get_landmines.py
@@ -57,8 +57,7 @@
   print 'blink_resources.grd changed: crbug.com/400860'
   print 'ninja dependency cycle: crbug.com/408192'
   if platform() == 'android':
-    print 'Clobber: To delete stale generated .java files.'
-    print 'Delete stale generated .java files again. crbug.com/349592'
+    print 'Delete stale generated .java files yet again. crbug.com/349592'
 
 
 def main():