Ignore A channel in EGL RGB5_A1 clear color tests
Ignore A channel in EGL RGB5_A1 clear color tests

Dithering can siginifcantly impact alpha channel and the framework
can't fully account it.

Components: AOSP
Affects:
dEQP-EGL.functional.color_clears.*.rgba5551*

Bug: 62383988

Change-Id: Ic8fa4da1a840da56f74af3e076d0728d9abbdadc
(cherry picked from commit 9da1b45a8ed2489a46dd698953d963fa8bfbf1e7)

KhronosGroup/VK-GL-CTS,KhronosGroup/Vulkan-CTS,KhronosGroup/VK-GL-CTS,KhronosGroup/Vulkan-CTS,KhronosGroup/Vulkan-CTS,KhronosGroup/Vulkan-CTS,KhronosGroup/VK-GL-CTS,KhronosGroup/VK-GL-CTS,googlestadia/VK-GL-CTS,googlestadia/VK-GL-CTS,googlestadia/VK-GL-CTS,KhronosGroup/VK-GL-CTS,KhronosGroup/Vulkan-CTS,googlestadia/VK-GL-CTS,googlestadia/VK-GL-CTS,googlestadia/VK-GL-CTS,KhronosGroup/Vulkan-CTS,KhronosGroup/VK-GL-CTS