[CQ] Migrate more builders to LUCI CQ experiment

NOTRY=true

Bug: chromium:772816, v8:6918
Change-Id: I60d00d5fe6a46017fc8923dfc3dd922bca65d41f
Reviewed-on: https://chromium-review.googlesource.com/725807Reviewed-by: Sergiy Byelozyorov <sergiyb@chromium.org>
Commit-Queue: Michael Achenbach <machenbach@chromium.org>
Cr-Commit-Position: refs/heads/master@{#48714}

infra/config/cq.cfg

@@ -25,6 +25,14 @@ verifiers {
       name: "luci.v8.try"
       builders {
         name: "v8_fuchsia_rel_ng"
+        experiment_percentage: 100
+      }
+      builders {
+        name: "v8_linux_shared_compile_rel"
+        experiment_percentage: 20
+      }
+      builders {
+        name: "v8_win64_clang_compile_rel"
         experiment_percentage: 20
       }
     }
@@ -87,10 +95,6 @@ verifiers {
         name: "v8_linux_rel_ng_triggered"
         triggered_by: "v8_linux_rel_ng"
       }
-      builders {
-        name: "v8_linux_shared_compile_rel"
-        experiment_percentage: 20
-      }
       builders { name: "v8_linux_verify_csa_rel_ng" }
       builders {
         name: "v8_linux_verify_csa_rel_ng_triggered"
@@ -118,10 +122,6 @@ verifiers {
         name: "v8_win_rel_ng_triggered"
         triggered_by: "v8_win_rel_ng"
       }
-      builders {
-        name: "v8_win64_clang_compile_rel"
-        experiment_percentage: 20
-      }
       builders {
         name: "v8_linux_blink_rel"
         experiment_percentage: 100