[rust] Add path for coverage tests to allowed list

Bug: http://b/214396112

The goal is to run this smoke test in presubmit on all platform changes.

Test: build with aosp/
Change-Id: I4abb7f46905bd4160a2d628be2761874df6b1b34
diff --git a/rust/config/allowed_list.go b/rust/config/allowed_list.go
index 14fcb02..bc36b20 100644
--- a/rust/config/allowed_list.go
+++ b/rust/config/allowed_list.go
@@ -24,6 +24,7 @@
 		"packages/modules/DnsResolver",
 		"packages/modules/Uwb",
 		"packages/modules/Virtualization",
+		"platform_testing/tests/codecoverage/native/rust",
 		"prebuilts/rust",
 		"system/core/libstats/pull_rust",
 		"system/extras/profcollectd",