Add GLES dEQP level feature flag

This change adds a feature flag that specifies the date associated
with the OpenGL ES dEQP tests that a device claims to pass.

Bug: 159842117
Merged-In: I830fbfcff617c891a42ca46396adf0283a52b874
Change-Id: I29dddc28c18933f4fa338a2aaa87d4c748deafa3
2 files changed