Update traceconv to use latest t2t

Since aosp/1108421 the path for the proto definitions changed.
This updates traceconv to use these new paths.

Change-Id: Ibddeede5461ed0fca5630049b0224200a8b0ea4d
diff --git a/tools/traceconv b/tools/traceconv
index 71675ed..4a3bdc0 100755
--- a/tools/traceconv
+++ b/tools/traceconv
@@ -33,8 +33,8 @@
 # Keep this in sync with the SHAs in catapult file
 # systrace/systrace/tracing_agents/atrace_from_file_agent.py.
 TRACE_TO_TEXT_SHAS = {
-  'linux': 'd67f9f3e3beb93664578c8b0300ab98e828ecb29',
-  'mac': '62b27f343640d0778f1324fa90940381561bef99',
+  'linux': '514c59af55f9d72312f12fb1bbcb102dd94760a5',
+  'mac': '360a587910272b16489c68d8375cbc2a80a2c409',
 }
 TRACE_TO_TEXT_PATH = tempfile.gettempdir()
 TRACE_TO_TEXT_BASE_URL = (