Add "allbuilds" to builds.pm, similar to "stablebuilds" and "usablebuilds"

Change-Id: Ia81a090e0c5ad53b09c38861b17e14674b1087d4

tools/builds.pm

@@ -344,4 +344,14 @@ sub stablebuilds {
     return @list;
 }
 
+sub allbuilds {
+    my @list;
+
+    for my $b (sort byname keys %builds) {
+        push @list, $b if ($builds{$b}{status} >= 1);
+    }
+
+    return @list;
+}
+
 1;