Revert "Reduce max possible size of map that holds encoded frame info."

This reverts commit 2ff7ecfceb99deb3f2351c4184f84c1322568087.

Reason for revert: <INSERT REASONING HERE>

Original change's description:
> Reduce max possible size of map that holds encoded frame info.
> 
> Bug: webrtc:8375
> Change-Id: Idc57e68dc44fd73e5c0aa85d82c1e3659d8ea292
> Reviewed-on: https://webrtc-review.googlesource.com/8301
> Reviewed-by: Rasmus Brandt <brandtr@webrtc.org>
> Reviewed-by: Erik Språng <sprang@webrtc.org>
> Commit-Queue: Åsa Persson <asapersson@webrtc.org>
> Cr-Commit-Position: refs/heads/master@{#20232}

TBR=brandtr@webrtc.org,asapersson@webrtc.org,sprang@webrtc.org

Change-Id: I1dcb7ab588e5ab3eb79bec2c39f615480e31c3bb
No-Presubmit: true
No-Tree-Checks: true
No-Try: true
Bug: webrtc:8375
Reviewed-on: https://webrtc-review.googlesource.com/8460
Reviewed-by: Åsa Persson <asapersson@webrtc.org>
Commit-Queue: Åsa Persson <asapersson@webrtc.org>
Cr-Commit-Position: refs/heads/master@{#20247}
diff --git a/video/send_statistics_proxy.cc b/video/send_statistics_proxy.cc
index d72b741..4c6df0a 100644
--- a/video/send_statistics_proxy.cc
+++ b/video/send_statistics_proxy.cc
@@ -25,7 +25,7 @@
 namespace webrtc {
 namespace {
 const float kEncodeTimeWeigthFactor = 0.5f;
-const size_t kMaxEncodedFrameMapSize = 150;
+const size_t kMaxEncodedFrameMapSize = 1000;
 const int64_t kMaxEncodedFrameWindowMs = 800;
 const int64_t kBucketSizeMs = 100;
 const size_t kBucketCount = 10;