Rename base/analytics/ to base/numerics/

BUG=webrtc:6832

Review-Url: https://codereview.webrtc.org/2626203002
Cr-Commit-Position: refs/heads/master@{#16060}
diff --git a/webrtc/modules/video_coding/codec_timer.h b/webrtc/modules/video_coding/codec_timer.h
index 1fabeb2..3fd081b 100644
--- a/webrtc/modules/video_coding/codec_timer.h
+++ b/webrtc/modules/video_coding/codec_timer.h
@@ -13,7 +13,7 @@
 
 #include <queue>
 
-#include "webrtc/base/analytics/percentile_filter.h"
+#include "webrtc/base/numerics/percentile_filter.h"
 #include "webrtc/modules/include/module_common_types.h"
 #include "webrtc/typedefs.h"