Fix cpplint whitespace/comments issues

Change-Id: Iae286862c85fb8fd8901eae1204cd6d271d69496
diff --git a/runtime/base/logging.h b/runtime/base/logging.h
index af2cdb3..d641ae4 100644
--- a/runtime/base/logging.h
+++ b/runtime/base/logging.h
@@ -299,7 +299,7 @@
 // The members of this struct are the valid arguments to VLOG and VLOG_IS_ON in code,
 // and the "-verbose:" command line argument.
 struct LogVerbosity {
-  bool class_linker; // Enabled with "-verbose:class".
+  bool class_linker;  // Enabled with "-verbose:class".
   bool compiler;
   bool heap;
   bool gc;
@@ -307,7 +307,7 @@
   bool jni;
   bool monitor;
   bool startup;
-  bool third_party_jni; // Enabled with "-verbose:third-party-jni".
+  bool third_party_jni;  // Enabled with "-verbose:third-party-jni".
   bool threads;
 };