[cq] Use more next gen trybots.

This uses the bots introduced here:
https://codereview.chromium.org/1581803003/

BUG=chromium:535160
LOG=n
NOTRY=true
NOPRESUBMIT=true
TBR=tandrii@chromium.org, kjellander@chromium.org

Review URL: https://codereview.chromium.org/1588543002

Cr-Commit-Position: refs/heads/master@{#33263}

PRESUBMIT.py

@@ -280,11 +280,11 @@ def CheckChangeOnCommit(input_api, output_api):
 def GetPreferredTryMasters(project, change):
   return {
     'tryserver.v8': {
-      'v8_linux_rel': set(['defaulttests']),
-      'v8_linux_dbg': set(['defaulttests']),
+      'v8_linux_rel_ng': set(['defaulttests']),
+      'v8_linux_dbg_ng': set(['defaulttests']),
       'v8_linux_nodcheck_rel': set(['defaulttests']),
       'v8_linux_gcc_compile_rel': set(['defaulttests']),
-      'v8_linux64_rel': set(['defaulttests']),
+      'v8_linux64_rel_ng': set(['defaulttests']),
       'v8_linux64_asan_rel': set(['defaulttests']),
       'v8_linux64_avx2_rel': set(['defaulttests']),
       'v8_win_rel_ng': set(['defaulttests']),

infra/config/cq.cfg

@@ -28,16 +28,28 @@ verifiers {
       builders { name: "v8_android_arm_compile_rel" }
       builders { name: "v8_linux64_asan_rel" }
       builders { name: "v8_linux64_avx2_rel" }
-      builders { name: "v8_linux64_rel" }
+      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_arm_rel" }
       builders { name: "v8_linux_chromium_gn_rel" }
-      builders { name: "v8_linux_dbg" }
+      builders { name: "v8_linux_dbg_ng" }
+      builders {
+        name: "v8_linux_dbg_ng_triggered"
+        triggered_by: "v8_linux_dbg_ng"
+      }
       builders { name: "v8_linux_gcc_compile_rel" }
       builders { name: "v8_linux_mipsel_compile_rel" }
       builders { name: "v8_linux_mips64el_compile_rel" }
       builders { name: "v8_linux_nodcheck_rel" }
-      builders { name: "v8_linux_rel" }
+      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_presubmit" }
       builders { name: "v8_win64_rel_ng" }