Revert "deqp: Remove the old caselist location"

This reverts commit 671b258cb23f73ec0875585dd54979b9757b4772.

Reason for revert: causes failures due to stale control files in lab.

BUG=b:190650685


Original change's description:
> deqp: Remove the old caselist location
>
> Now that graphics_dEQP no longer looks at the old path, we can stop
> installing a copy of the caselists there.
>
> BUG=b:190650685
> TEST=test_that -b trogdor graphics_dEQP.gles2-master
>
> Cq-Depend: chromium:2953048
> Change-Id: I4ab2211e56d9288b818064ee0be5e18f1694b6fa
> Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/overlays/chromiumos-overlay/+/2954841
> Tested-by: Emma Anholt <anholt@google.com>
> Auto-Submit: Emma Anholt <anholt@google.com>
> Commit-Queue: Ilja H. Friedel <ihf@chromium.org>
> Reviewed-by: Ilja H. Friedel <ihf@chromium.org>

Bug: b:190650685
Change-Id: I376a881047e468a9a46f926d8b341a5c9a67bfd4
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/overlays/chromiumos-overlay/+/2989318
Bot-Commit: Rubber Stamper <rubber-stamper@appspot.gserviceaccount.com>
Commit-Queue: Ilja H. Friedel <ihf@chromium.org>
diff --git a/media-gfx/deqp/deqp-2021.02.10-r4.ebuild b/media-gfx/deqp/deqp-2021.02.10-r3.ebuild
similarity index 93%
rename from media-gfx/deqp/deqp-2021.02.10-r4.ebuild
rename to media-gfx/deqp/deqp-2021.02.10-r3.ebuild
index d5c9b5d..4294f86 100644
--- a/media-gfx/deqp/deqp-2021.02.10-r4.ebuild
+++ b/media-gfx/deqp/deqp-2021.02.10-r3.ebuild
@@ -143,6 +143,16 @@
 	insinto "${deqp_dir}"
 	doins -r "doc/testlog-stylesheet"
 
+	# Install master control files (deprecated location)
+	insinto "${deqp_dir}/master"
+	doins "android/cts/master/egl-master.txt"
+	doins "android/cts/master/gles2-master.txt"
+	doins "android/cts/master/gles3-master.txt"
+	doins "android/cts/master/gles31-master.txt"
+	if use vulkan; then
+		doins "android/cts/master/vk-master.txt"
+	fi
+
 	# Install caselists
 	insinto "${deqp_dir}/caselists"
 	newins "android/cts/master/egl-master.txt" "egl.txt"