Revert "Disable ios_sim_x64_dbg_ios12 from blocking CQ while it is broken"

This reverts commit 23109a8e90a6827ad4f63f39c3dea968edc04545.

Reason for revert: Bot is green again

Original change's description:
> Disable ios_sim_x64_dbg_ios12 from blocking CQ while it is broken
> 
> Bug: webrtc:11162
> Change-Id: Idb0460168370077241cdce5e2cfbd298cf808be1
> Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/161223
> Reviewed-by: Patrik Höglund <phoglund@webrtc.org>
> Commit-Queue: Artem Titov <titovartem@webrtc.org>

TBR=phoglund@webrtc.org,titovartem@webrtc.org

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

Bug: webrtc:11162
Change-Id: I72044fe5725e84cccbf88afb2076d10e1ae61001
Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/161308
Reviewed-by: Patrik Höglund <phoglund@webrtc.org>
Commit-Queue: Artem Titov <titovartem@webrtc.org>
diff --git a/commit-queue.cfg b/commit-queue.cfg
index 0fd8203..e0edb62 100644
--- a/commit-queue.cfg
+++ b/commit-queue.cfg
@@ -84,6 +84,9 @@
         name: "webrtc/try/ios_sim_x64_dbg_ios11"
       >
       builders: <
+        name: "webrtc/try/ios_sim_x64_dbg_ios12"
+      >
+      builders: <
         name: "webrtc/try/linux_asan"
       >
       builders: <
@@ -266,6 +269,9 @@
         name: "webrtc/try/ios_sim_x64_dbg_ios11"
       >
       builders: <
+        name: "webrtc/try/ios_sim_x64_dbg_ios12"
+      >
+      builders: <
         name: "webrtc/try/linux_asan"
       >
       builders: <