Build .toc when building a module by name

Building a module by name with make <module name>, or with mm or mma
through all_modules, should also build the .toc file so that future uses
of mm on modules that depend on this one can find the .toc file.

Bug: 26936761
Change-Id: Id0c592f0860a10b732b2b5b13c7e967c9bcb1c6b