Revert "Disable partial swap for gl es type of gl"

This reverts commit 6f370b54.

Reason for revert: the CL[1], which resulted in the problem, was reverted. Thus, there is no need to have this anymore. I will keep my eye on the issue and report again if anything.

[1] https://crrev.com/c/1685909

Original change's description:
> Disable partial swap for gl es type of gl
> 
> Currently, partial swap is disabled on Linux with Mesa drivers and
> with gl_type: gl.
> 
> Likely, we could not experience any glitches crrev.com/c/1685909,
> but once that CL has been merged, partial swap became broken on
> Mesa with OpenGL ES (which Wayland uses). Not sure why it started
> to happen, but I can assume that the problem is in the Mesa impl
> for Wayland as well. Even though, the spec says Wayland compositor
> updates only that part of a surface, which has damage, other parts
> of a surface showing black squares.
> 
> One reason behind that might be missing EGL_NV_post_sub_buffer
> extension, which we can't test while being in the GPU process
> when dma buffers are used. It is required to create an egl
> surface to test against that extension. However, the spec
> does not say anything about that. Ideally, Wayland compositor
> must handle that by itself, make a union of damages and copy
> parts of backbuffer to frontbuffer without getting OpenGL
> into play, but something bad happens. At this point,
> the problem has only been spotted on Mesa drivers. Others
> will be tested asap.
> 
> Thus, remove the gl type and enforce the workaround for both
> Mesa with OpenGL and OpenGL ES.
> 
> Bug: 983933
> Change-Id: I159627e95f854053956914f57e6299289ef04a74
> Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1705794
> Commit-Queue: Maksim Sisov <msisov@igalia.com>
> Reviewed-by: Antoine Labour <piman@chromium.org>
> Cr-Commit-Position: refs/heads/master@{#679066}

TBR=piman@chromium.org,msisov@igalia.com

# Not skipping CQ checks because original CL landed > 1 day ago.

Bug: 983933
Change-Id: Ifadfe27b06c60032753b2a72d43305c622f2f8f9
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1722839Reviewed-by: Maksim Sisov <msisov@igalia.com>
Commit-Queue: Maksim Sisov <msisov@igalia.com>
Cr-Commit-Position: refs/heads/master@{#681768}

gpu/config/gpu_driver_bug_list.json

@@ -447,6 +447,7 @@
       "os": {
         "type": "linux"
       },
+      "gl_type": "gl",
       "gl_renderer": ".*Mesa.*",
       "features": [
         "disable_post_sub_buffers_for_onscreen_surfaces"
@@ -1862,6 +1863,7 @@
       "os": {
         "type": "linux"
       },
+      "gl_type": "gl",
       "gl_version_string": ".*Mesa.*",
       "features": [
         "disable_post_sub_buffers_for_onscreen_surfaces"