Fix chromium proto definition for chromium roll.

TBR=primiano@google.com
Change-Id: I650f3885fed6f813ec62efc240e5157f6b3ad587
diff --git a/protos/perfetto/trace/chrome/chrome_trace_packet.proto b/protos/perfetto/trace/chrome/chrome_trace_packet.proto
index 76eab46..0c72eae 100644
--- a/protos/perfetto/trace/chrome/chrome_trace_packet.proto
+++ b/protos/perfetto/trace/chrome/chrome_trace_packet.proto
@@ -26,10 +26,10 @@
 syntax = "proto3";
 option optimize_for = LITE_RUNTIME;
 
+import "perfetto/common/trace_stats.proto";
 import "perfetto/config/trace_config.proto";
 import "perfetto/trace/chrome/chrome_trace_event.proto";
 import "perfetto/trace/clock_snapshot.proto";
-import "perfetto/trace/trace_stats.proto";
 
 package perfetto.protos;