Rename desc to description in PerfInfo

Bug: 201326605
Test: Ran go unit tests and verified the generated soong_metrics file.
Change-Id: I3ff0aa11e39f0a9862638706ae50550c78030cca
diff --git a/ui/metrics/metrics_proto/metrics.proto b/ui/metrics/metrics_proto/metrics.proto
index ec8f36b..db0a14a 100644
--- a/ui/metrics/metrics_proto/metrics.proto
+++ b/ui/metrics/metrics_proto/metrics.proto
@@ -139,7 +139,7 @@
 
 message PerfInfo {
   // The description for the phase/action/part while the tool running.
-  optional string desc = 1;
+  optional string description = 1;
 
   // The name for the running phase/action/part.
   optional string name = 2;