base

Update current System API file.

The file was generated by "make update-api".
The concerned API change has actually be submitted in commit
9ffad071a9956ba2603475b060f271900a4d2e26, which didn't include the
system API update, for presumably an out-of-date build project.

Bug: 18777272
Change-Id: I32e0903afc492b61f36d29ec88e728780158a553