tree 1fed781bf74edc03500524d73219c7cc2ce11e42
parent cefb4b25c2fc5556f6b25836719597f870c9a5e6
author Mark Young <marky@lunarg.com> 1484885449 -0700
committer Lenny Komow <lenny@lunarg.com> 1485209137 -0700

loader: Update the loader to 1.0.39

Add new extensions for 1.0.39.  Also, updated layers to include
minimal set of functionality for 1.0.39 extensions. Extensions include:
 - VK_KHR_get_physical_device_properties2
 - VK_KHR_shader_draw_parameters
 - VK_EXT_direct_mode_display
 - VK_EXT_display_surface_counter
 - VK_EXT_display_control

Also, redo the LoaderAndLayerIf document.

Change-Id: I10412086da7a798afe832a3892e18f606259b5af