Improve comment in logging.h.

R=thakis@chromium.org
BUG=None

Review URL: https://codereview.chromium.org/1226373007

Cr-Commit-Position: refs/heads/master@{#338452}


CrOS-Libchrome-Original-Commit: be15c56b700d2f16523a22d5bdf8ab163b49112c
diff --git a/base/logging.h b/base/logging.h
index ea096d1..21ba1f8 100644
--- a/base/logging.h
+++ b/base/logging.h
@@ -436,7 +436,7 @@
 #if defined(OFFICIAL_BUILD) && defined(NDEBUG) && !defined(OS_ANDROID)
 
 // Make all CHECK functions discard their log strings to reduce code
-// bloat for official release builds.
+// bloat for official release builds (except Android).
 
 // TODO(akalin): This would be more valuable if there were some way to
 // remove BreakDebugger() from the backtrace, perhaps by turning it