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

scripts/Android.bp

@@ -219,10 +219,10 @@ python_library_host {
 }
 
 python_binary_host {
-    name: "lint-project-xml",
-    main: "lint-project-xml.py",
+    name: "lint_project_xml",
+    main: "lint_project_xml.py",
     srcs: [
-        "lint-project-xml.py",
+        "lint_project_xml.py",
     ],
     libs: ["ninja_rsp"],
 }