[Cleanup] Add missing #include. Remove useless ones.

This CL is the result of running include-what-you-use tool on part
of the code base (audio target and dependencies) plus manual fixes.

bug: webrtc:8311
Change-Id: I277d281ce943c3ecc1bd45fd8d83055931743604
Reviewed-on: https://webrtc-review.googlesource.com/c/106280
Commit-Queue: Yves Gerey <yvesg@google.com>
Reviewed-by: Mirko Bonadei <mbonadei@webrtc.org>
Reviewed-by: Patrik Höglund <phoglund@webrtc.org>
Cr-Commit-Position: refs/heads/master@{#25311}
diff --git a/common_types.h b/common_types.h
index 30a2b3a..0c62bbc 100644
--- a/common_types.h
+++ b/common_types.h
@@ -11,12 +11,10 @@
 #ifndef COMMON_TYPES_H_
 #define COMMON_TYPES_H_
 
-#include <stddef.h>
-#include <string.h>
-#include <string>
-#include <vector>
+#include <stddef.h>  // For size_t
+#include <cstdint>
+
 #include "absl/strings/match.h"
-#include "api/array_view.h"
 // TODO(sprang): Remove this include when all usage includes it directly.
 #include "api/video/video_bitrate_allocation.h"
 #include "rtc_base/checks.h"