camera: remove redundant and unnecessary includes

Remove unused or already included headers. Sort and format includes
accordind to the "Google C++ Style Guide". Replace C-headers by C++
analog when it's possible.

Test: build
Change-Id: I19fa6abb5bb68e0257c9c933e68f42f92b394ce7
Signed-off-by: Sergii Piatakov <sergii.piatakov@globallogic.com>
diff --git a/modules/camera/3_4/v4l2_wrapper.cpp b/modules/camera/3_4/v4l2_wrapper.cpp
index bba826f..bee7855 100644
--- a/modules/camera/3_4/v4l2_wrapper.cpp
+++ b/modules/camera/3_4/v4l2_wrapper.cpp
@@ -20,18 +20,13 @@
 #include "v4l2_wrapper.h"
 
 #include <algorithm>
-#include <array>
-#include <limits>
-#include <mutex>
-#include <vector>
-
 #include <fcntl.h>
+#include <limits>
+
+#include <android-base/unique_fd.h>
 #include <linux/videodev2.h>
 #include <sys/stat.h>
 #include <sys/types.h>
-
-#include <android-base/unique_fd.h>
-
 #include "arc/cached_frame.h"
 
 namespace v4l2_camera_hal {