Fix cpplint issues

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

Test: m checkbuild
Change-Id: I3477d388659c93c1ca517c4ad37502e0a71014ad
diff --git a/payload_generator/cow_size_estimator.cc b/payload_generator/cow_size_estimator.cc
index 8e2c66d..3a23f44 100644
--- a/payload_generator/cow_size_estimator.cc
+++ b/payload_generator/cow_size_estimator.cc
@@ -16,6 +16,7 @@
 
 #include "update_engine/payload_generator/cow_size_estimator.h"
 
+#include <algorithm>
 #include <functional>
 #include <string>
 #include <utility>
@@ -26,10 +27,10 @@
 
 #include "update_engine/common/cow_operation_convert.h"
 #include "update_engine/common/utils.h"
+#include "update_engine/payload_consumer/vabc_partition_writer.h"
 #include "update_engine/payload_generator/extent_ranges.h"
 #include "update_engine/payload_generator/extent_utils.h"
 #include "update_engine/update_metadata.pb.h"
-#include "update_engine/payload_consumer/vabc_partition_writer.h"
 
 namespace chromeos_update_engine {
 using android::snapshot::CowWriter;
diff --git a/payload_generator/deflate_utils.h b/payload_generator/deflate_utils.h
index c055876..d69a551 100644
--- a/payload_generator/deflate_utils.h
+++ b/payload_generator/deflate_utils.h
@@ -17,9 +17,11 @@
 #ifndef UPDATE_ENGINE_PAYLOAD_GENERATOR_DEFLATE_UTILS_H_
 #define UPDATE_ENGINE_PAYLOAD_GENERATOR_DEFLATE_UTILS_H_
 
-#include <puffin/puffdiff.h>
+#include <string>
 #include <vector>
 
+#include <puffin/puffdiff.h>
+
 #include "update_engine/payload_generator/filesystem_interface.h"
 #include "update_engine/payload_generator/payload_generation_config.h"
 
diff --git a/payload_generator/extent_utils.h b/payload_generator/extent_utils.h
index 712cc92..bd9fc8b 100644
--- a/payload_generator/extent_utils.h
+++ b/payload_generator/extent_utils.h
@@ -17,6 +17,7 @@
 #ifndef UPDATE_ENGINE_PAYLOAD_GENERATOR_EXTENT_UTILS_H_
 #define UPDATE_ENGINE_PAYLOAD_GENERATOR_EXTENT_UTILS_H_
 
+#include <limits>
 #include <string>
 #include <vector>
 
diff --git a/payload_generator/merge_sequence_generator.cc b/payload_generator/merge_sequence_generator.cc
index 6cbb57b..cb43221 100644
--- a/payload_generator/merge_sequence_generator.cc
+++ b/payload_generator/merge_sequence_generator.cc
@@ -17,6 +17,7 @@
 #include "update_engine/payload_generator/merge_sequence_generator.h"
 
 #include <algorithm>
+#include <limits>
 
 #include "update_engine/payload_generator/delta_diff_generator.h"
 #include "update_engine/payload_generator/extent_ranges.h"