Merge remote-tracking branch 'aosp/upstream-master' into refresh-shaderc

Includes the following commits:
e22d57b Correct Revision numbers for previous commit.
5a06681 Update to Rev. 8 of 1.0 and Rev. 4 of 1.1. Includes enums for SPV_KHR_shader_draw_parameters.

Test: checkbuild.py Linux, Windows; manually ran unit test on Windows
Change-Id: I4a55d3caf3c2b8710b4d8006a6a3f50df4e87ae4