Fix cpplint issues

Existing cpplint issues block uploading CLs, fix most of them.

Test: m checkbuild
Change-Id: I3477d388659c93c1ca517c4ad37502e0a71014ad
diff --git a/payload_consumer/mount_history.cc b/payload_consumer/mount_history.cc
index d699ad9..7fe4850 100644
--- a/payload_consumer/mount_history.cc
+++ b/payload_consumer/mount_history.cc
@@ -72,7 +72,7 @@
   if (magic == 0xEF53) {
     // Timestamps can be updated by fsck without updating mount count,
     // log if any timestamp differ
-    if (! (write_time == created_time && check_time == created_time)) {
+    if (!(write_time == created_time && check_time == created_time)) {
       LOG(WARNING) << "Device have been modified after being created. "
                    << "Filesystem created on "
                    << base::Time::FromTimeT(created_time) << ", "