Support cc code coverage for mixed build

Bug: 231322627
Test: Manual tests and unit tests
Change-Id: I786042af0d612192c54c3572f63a86a47174a242
diff --git a/bazel/aquery.go b/bazel/aquery.go
index 3affcb0..030951e 100644
--- a/bazel/aquery.go
+++ b/bazel/aquery.go
@@ -659,6 +659,9 @@
 	if a.Mnemonic == "FileWrite" {
 		return true
 	}
+	if a.Mnemonic == "BaselineCoverage" {
+		return true
+	}
 	return false
 }