Revert of CQ: Disable android_more_configs trybot (patchset #1 id:1 of https://codereview.webrtc.org/2522953003/ )

Reason for revert:
Seems to have been fixed at https://codereview.webrtc.org/2531043003/

Original issue's description:
> CQ: Disable android_more_configs trybot
>
> It started to fail always on compile.
>
> BUG=chromium:668137
> TBR=ehmaldonado@webrtc.org
>
> Committed: https://crrev.com/8e321c82ebc21789e5436bb5df57adafec27b04d
> Cr-Commit-Position: refs/heads/master@{#15209}

TBR=kjellander@webrtc.org
NOTRY=True
BUG=chromium:668137

Review-Url: https://codereview.webrtc.org/2527373002
Cr-Commit-Position: refs/heads/master@{#15243}
diff --git a/infra/config/cq.cfg b/infra/config/cq.cfg
index 1094377..60e5dfc 100644
--- a/infra/config/cq.cfg
+++ b/infra/config/cq.cfg
@@ -35,8 +35,7 @@
       builders { name: "android_compile_x86_dbg" }
       builders { name: "android_compile_x86_rel" }
       builders { name: "android_compile_x64_dbg" }
-      # Disabled for now: crbug.com/668137
-      #builders { name: "android_more_configs" }
+      builders { name: "android_more_configs" }
       builders { name: "ios_arm64_dbg" }
       builders { name: "ios_arm64_rel" }
       builders { name: "ios_dbg" }