Use per component unspecified flags to sort EGLConfigs.
Use per component unspecified flags to sort EGLConfigs.

Check each color component if it's specified when sorting configs
in eglChooseConfig instead of just checking if all of the color
bits are specified.

Bug: 20178171
Change-Id: If23ab8c329a84797120add20715be5d8af4f5500

KhronosGroup/VK-GL-CTS,KhronosGroup/VK-GL-CTS,geekboxzone/mmallow_external_deqp,chadversary/deqp,KhronosGroup/Vulkan-CTS,geekboxzone/mmallow_external_deqp,chadversary/deqp,KhronosGroup/VK-GL-CTS,googlestadia/VK-GL-CTS,chadversary/deqp,geekboxzone/mmallow_external_deqp,KhronosGroup/Vulkan-CTS,geekboxzone/mmallow_external_deqp,geekboxzone/mmallow_external_deqp,KhronosGroup/VK-GL-CTS,chadversary/deqp,geekboxzone/mmallow_external_deqp,KhronosGroup/VK-GL-CTS,googlestadia/VK-GL-CTS,googlestadia/VK-GL-CTS,chadversary/deqp,KhronosGroup/Vulkan-CTS,KhronosGroup/VK-GL-CTS,KhronosGroup/Vulkan-CTS,googlestadia/VK-GL-CTS,googlestadia/VK-GL-CTS,chadversary/deqp,KhronosGroup/Vulkan-CTS,KhronosGroup/Vulkan-CTS,googlestadia/VK-GL-CTS