V8: Explicitly define presence of valgrind on relevant builder

scripts/slave/recipes/v8.expected/full_client_v8_V8_Linux64___debug_builder.json

Index: scripts/slave/recipes/v8.expected/full_client_v8_V8_Linux64___debug_builder.json
diff --git a/scripts/slave/recipes/v8.expected/full_client_v8_V8_Linux64___debug_builder.json b/scripts/slave/recipes/v8.expected/full_client_v8_V8_Linux64___debug_builder.json
index 877c3f9d03746304582565b8d1350624c4c12625..363ec6de03f1a2ce4276ac0f2b2a8d52b2f89994 100644
--- a/scripts/slave/recipes/v8.expected/full_client_v8_V8_Linux64___debug_builder.json
+++ b/scripts/slave/recipes/v8.expected/full_client_v8_V8_Linux64___debug_builder.json
@@ -87,7 +87,7 @@
     "cwd": "[SLAVE_BUILD]/v8",
     "env": {
       "GOMA_SERVICE_ACCOUNT_JSON_FILE": "/creds/service_accounts/service-account-goma-client.json",
-      "GYP_DEFINES": "clang=1 gomadir='[BUILD]/goma' jsfunfuzz=1 target_arch=x64 test_isolation_mode=prepare use_goma=1 v8_enable_slow_dchecks=1 v8_optimized_debug=1 v8_target_arch=x64",
+      "GYP_DEFINES": "clang=1 gomadir='[BUILD]/goma' has_valgrind=1 jsfunfuzz=1 target_arch=x64 test_isolation_mode=prepare use_goma=1 v8_enable_slow_dchecks=1 v8_optimized_debug=1 v8_target_arch=x64",
       "GYP_GENERATORS": "ninja",
       "PATH": "%(PATH)s:RECIPE_PACKAGE_REPO[depot_tools]"
     },
@@ -306,7 +306,7 @@
         "builder_name": "V8 Fuzzer",
         "properties": {
           "parent_build_environment": {
-            "GYP_DEFINES": "clang=1 jsfunfuzz=1 target_arch=x64 test_isolation_mode=prepare use_goma=1 v8_enable_slow_dchecks=1 v8_optimized_debug=1 v8_target_arch=x64",
+            "GYP_DEFINES": "clang=1 has_valgrind=1 jsfunfuzz=1 target_arch=x64 test_isolation_mode=prepare use_goma=1 v8_enable_slow_dchecks=1 v8_optimized_debug=1 v8_target_arch=x64",
             "GYP_GENERATORS": "ninja"
           },
           "parent_got_revision": "f2cbea7e89a45f46819777bb78a1f5bd0241f64c",
@@ -330,7 +330,7 @@
         "builder_name": "V8 Linux64 - debug",
         "properties": {
           "parent_build_environment": {
-            "GYP_DEFINES": "clang=1 jsfunfuzz=1 target_arch=x64 test_isolation_mode=prepare use_goma=1 v8_enable_slow_dchecks=1 v8_optimized_debug=1 v8_target_arch=x64",
+            "GYP_DEFINES": "clang=1 has_valgrind=1 jsfunfuzz=1 target_arch=x64 test_isolation_mode=prepare use_goma=1 v8_enable_slow_dchecks=1 v8_optimized_debug=1 v8_target_arch=x64",
             "GYP_GENERATORS": "ninja"
           },
           "parent_got_revision": "f2cbea7e89a45f46819777bb78a1f5bd0241f64c",
@@ -354,7 +354,7 @@
         "builder_name": "V8 Linux64 - debug - avx2",
         "properties": {
           "parent_build_environment": {
-            "GYP_DEFINES": "clang=1 jsfunfuzz=1 target_arch=x64 test_isolation_mode=prepare use_goma=1 v8_enable_slow_dchecks=1 v8_optimized_debug=1 v8_target_arch=x64",
+            "GYP_DEFINES": "clang=1 has_valgrind=1 jsfunfuzz=1 target_arch=x64 test_isolation_mode=prepare use_goma=1 v8_enable_slow_dchecks=1 v8_optimized_debug=1 v8_target_arch=x64",
             "GYP_GENERATORS": "ninja"
           },
           "parent_got_revision": "f2cbea7e89a45f46819777bb78a1f5bd0241f64c",
@@ -378,7 +378,7 @@
         "builder_name": "V8 Linux64 - debug - greedy allocator",
         "properties": {
           "parent_build_environment": {
-            "GYP_DEFINES": "clang=1 jsfunfuzz=1 target_arch=x64 test_isolation_mode=prepare use_goma=1 v8_enable_slow_dchecks=1 v8_optimized_debug=1 v8_target_arch=x64",
+            "GYP_DEFINES": "clang=1 has_valgrind=1 jsfunfuzz=1 target_arch=x64 test_isolation_mode=prepare use_goma=1 v8_enable_slow_dchecks=1 v8_optimized_debug=1 v8_target_arch=x64",
             "GYP_GENERATORS": "ninja"
           },
           "parent_got_revision": "f2cbea7e89a45f46819777bb78a1f5bd0241f64c",