Revert "Update includes for webrtc/{base => rtc_base} rename (1/3)"

This reverts commit c8fa692ec44fd6ba4fa3d085ac3161a262fc18c5.

BUG=webrtc:7634
NOTRY=True
NOPRESUBMIT=True

Review-Url: https://codereview.webrtc.org/2964773002 .
Cr-Commit-Position: refs/heads/master@{#18872}

webrtc/modules/video_capture/linux/video_capture_linux.h

@@ -13,10 +13,10 @@
 
 #include <memory>
 
+#include "webrtc/base/criticalsection.h"
+#include "webrtc/base/platform_thread.h"
 #include "webrtc/common_types.h"
 #include "webrtc/modules/video_capture/video_capture_impl.h"
-#include "webrtc/rtc_base/criticalsection.h"
-#include "webrtc/rtc_base/platform_thread.h"
 
 namespace webrtc
 {