[CQ] Add more next-gen bots to CQ experiment

BUG=535160
TBR=sergiyb@chromium.org, kjellander@chromium.org
NOTRY=true
NOPRESUBMIT=true

Review URL: https://codereview.chromium.org/1872423002

Cr-Commit-Position: refs/heads/master@{#35390}

infra/config/cq.cfg

@@ -28,14 +28,30 @@ verifiers {
       name: "tryserver.v8"
       builders { name: "v8_android_arm_compile_rel" }
       builders { name: "v8_linux64_asan_rel" }
+      builders {
+        name: "v8_linux64_asan_rel_ng"
+        experiment_percentage: 10
+      }
       builders { name: "v8_linux64_avx2_rel" }
+      builders {
+        name: "v8_linux64_avx2_rel_ng"
+        experiment_percentage: 10
+      }
       builders { name: "v8_linux64_rel_ng" }
       builders {
         name: "v8_linux64_rel_ng_triggered"
         triggered_by: "v8_linux64_rel_ng"
       }
       builders { name: "v8_linux_arm64_rel" }
+      builders {
+        name: "v8_linux_arm64_rel_ng"
+        experiment_percentage: 10
+      }
       builders { name: "v8_linux_arm_rel" }
+      builders {
+        name: "v8_linux_arm_rel_ng"
+        experiment_percentage: 10
+      }
       builders { name: "v8_linux_chromium_gn_rel" }
       builders { name: "v8_linux_dbg_ng" }
       builders {
@@ -46,12 +62,20 @@ verifiers {
       builders { name: "v8_linux_mipsel_compile_rel" }
       builders { name: "v8_linux_mips64el_compile_rel" }
       builders { name: "v8_linux_nodcheck_rel" }
+      builders {
+        name: "v8_linux_nodcheck_rel_ng"
+        experiment_percentage: 10
+      }
       builders { name: "v8_linux_rel_ng" }
       builders {
         name: "v8_linux_rel_ng_triggered"
         triggered_by: "v8_linux_rel_ng"
       }
       builders { name: "v8_mac_rel" }
+      builders {
+        name: "v8_mac_rel_ng"
+        experiment_percentage: 10
+      }
       builders { name: "v8_presubmit" }
       builders { name: "v8_win64_rel_ng" }
       builders {