[ccompute] ubuntu > xenial needs libGL.so.1 (amd64/i386) not libEGL.

Quite sorry Thomas, I made a mistake and added libEGL when we needed libGL.

R=thomasanderson

Bug: 1202758
Change-Id: I64cedbed36c2e84c294e2f9ff516ace83f37dac9
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/3564400
Auto-Submit: Luke Tidd <luket@google.com>
Reviewed-by: Elliott Friedman <friedman@google.com>
Reviewed-by: Thomas Anderson <thomasanderson@chromium.org>
Commit-Queue: Thomas Anderson <thomasanderson@chromium.org>
Cr-Commit-Position: refs/heads/main@{#987578}
diff --git a/build/install-build-deps.sh b/build/install-build-deps.sh
index efabb097..cc79cd5 100755
--- a/build/install-build-deps.sh
+++ b/build/install-build-deps.sh
@@ -285,11 +285,11 @@
 "
 
 # this can be moved into the lib list without a guard when xenial is deprecated
-if package_exists libegl1; then
-  lib_list="${lib_list} libegl1"
+if package_exists libgl1; then
+  lib_list="${lib_list} libgl1"
 fi
-if package_exists libegl1:i386; then
-  lib_list="${lib_list} libegl1:i386"
+if package_exists libgl1:i386; then
+  lib_list="${lib_list} libgl1:i386"
 fi
 
 # 32-bit libraries needed e.g. to compile V8 snapshot for Android or armhf