Rename lint-project-xml.py to remove dashes.

So that a future test can import it without a dirty syntax.

Test: m lint-check
Bug: 182349282
Change-Id: I520a5af49543801ab2a8ee888ff235876546dc74
diff --git a/java/lint.go b/java/lint.go
index b8ce2a4..a77daa8 100644
--- a/java/lint.go
+++ b/java/lint.go
@@ -200,7 +200,7 @@
 	srcJarList := zipSyncCmd(ctx, rule, srcJarDir, l.srcJars)
 
 	cmd := rule.Command().
-		BuiltTool("lint-project-xml").
+		BuiltTool("lint_project_xml").
 		FlagWithOutput("--project_out ", projectXMLPath).
 		FlagWithOutput("--config_out ", configXMLPath).
 		FlagWithArg("--name ", ctx.ModuleName())