Switch noticeindex from regex to proto.

Bug: 254534552

Test: m droid dist cts alllicensemetadata

Test: repo forall -c 'echo -n "$REPO_PATH  " && $ANDROID_BUILD_TOP/out/host/linux-x86/bin/compliance_checkmetadata . 2>&1' | fgrep -v PASS

Change-Id: I34dfe143cdc88432d6e33abee096409a37ce3b7e

tools/compliance/cmd/htmlnotice/htmlnotice.go

@@ -24,6 +24,7 @@ import (
 	"io/fs"
 	"os"
 	"path/filepath"
+	"sort"
 	"strings"
 
 	"android/soong/response"
@@ -275,7 +276,8 @@ func htmlNotice(ctx *context, files ...string) error {
 	}
 	fmt.Fprintln(ctx.stdout, "</body></html>")
 
-	*ctx.deps = ni.InputNoticeFiles()
+	*ctx.deps = ni.InputFiles()
+	sort.Strings(*ctx.deps)
 
 	return nil
 }