tree bf5b8add769cb0dee2e13be455a6458f9b996787
parent 3f1b89bbdb0dd0e2ad389fa87e88d00e811e786d
author Dan Willemsen <dwillemsen@google.com> 1519267499 -0800
committer Dan Willemsen <dwillemsen@google.com> 1519267873 -0800

Remove SourceFileGenerator check and stubs

They're not used, and we're adding a function to the SourceFileGenerator
interface.

Bug: 73745773
Test: diff out/soong/build.ninja
Test: diff out/soong/Android-aosp_arm.mk
Test: rm -rf out; m
Change-Id: Ie8de085212778ee2a164e376b04ab3fe003afc86