Improve tracing/logging system used in lib/naclports

build_tools/update_mirror.py

Index: build_tools/update_mirror.py
diff --git a/build_tools/update_mirror.py b/build_tools/update_mirror.py
index bc26b5749421510b108aace73e0e2f879350927a..4ba557cf4ca6d3d0086ec3e6f12a73ffeaf37991 100755
--- a/build_tools/update_mirror.py
+++ b/build_tools/update_mirror.py
@@ -50,7 +50,7 @@ def GetMirrorListing(options, url):
 
 def CheckMirror(options, package, mirror_listing):
   """Check that is package has is archive mirrors on Google cloud storage"""
-  naclports.Trace('Checking %s' % package.NAME)
+  naclports.LogVerbose('Checking %s' % package.NAME)
   basename = package.GetArchiveFilename()
   if not basename:
     return