Add aconfig dump of all aconfig_declarations modules.

Bug: 283910439
Test: m dist ; m all_aconfig_declarations ; gqui from all_aconfig_declarations.pb proto /source/aosp-master-with-phones/build/make/tools/aconfig/protos/aconfig.proto:android.aconfig.parsed_flags
Change-Id: Ia89c7f9c53fa1600fa2f9c8ea01319e949e09f58

android/util.go

@@ -42,6 +42,16 @@ func Concat[T any](s1, s2 []T) []T {
 	return res
 }
 
+// JoinPathsWithPrefix converts the paths to strings, prefixes them
+// with prefix and then joins them separated by " ".
+func JoinPathsWithPrefix(paths []Path, prefix string) string {
+	strs := make([]string, len(paths))
+	for i := range paths {
+		strs[i] = paths[i].String()
+	}
+	return JoinWithPrefixAndSeparator(strs, prefix, " ")
+}
+
 // JoinWithPrefix prepends the prefix to each string in the list and
 // returns them joined together with " " as separator.
 func JoinWithPrefix(strs []string, prefix string) string {