Remove Android x86 compilation trybot from CQ.

There's a Goma bug making it fail to compile after rolling in
https://codereview.webrtc.org/1963493002/

BUG=chromium:610145
TBR=pbos@webrtc.org
NOTRY=True

Review URL: https://codereview.webrtc.org/1959923002 .

Cr-Commit-Position: refs/heads/master@{#12657}
diff --git a/infra/config/cq.cfg b/infra/config/cq.cfg
index d7bc169..8a243f3 100644
--- a/infra/config/cq.cfg
+++ b/infra/config/cq.cfg
@@ -31,7 +31,8 @@
       builders { name: "android_arm64_rel" }
       builders { name: "android_clang_dbg" }
       builders { name: "android_compile_mips_dbg" }
-      builders { name: "android_compile_x86_dbg" }
+      # Disabled until http://crbug.com/610145  is fixed.
+      #builders { name: "android_compile_x86_dbg" }
       builders { name: "android_compile_x64_dbg" }
       builders { name: "android_gn_dbg" }
       builders { name: "android_gn_rel" }