Convert sbox_unittests to run exclusively on Swarming

0 configs already ran on Swarming
7 used to run locally and were converted:
- chromium.fyi.json: CrWinAsan tester
- chromium.fyi.json: CrWinAsan(dll) tester
- chromium.win.json: Vista Tests (1)
- chromium.win.json: Win 7 Tests x64 (1)
- chromium.win.json: Win7 Tests (1)
- chromium.win.json: Win7 Tests (dbg)(1)
- chromium.win.json: XP Tests (1)

Ran:
  ./manage.py --convert sbox_unittests

R=cpu@chromium.org,thakis@chromium.org
BUG=98637

Review URL: https://codereview.chromium.org/1219403002

Cr-Commit-Position: refs/heads/master@{#338418}

2 files changed, 21 insertions, 0 deletions

diff --git a/testing/buildbot/chromium.fyi.json b/testing/buildbot/chromium.fyi.json
index f742723..583788f 100644
--- a/testing/buildbot/chromium.fyi.json
+++ b/testing/buildbot/chromium.fyi.json
@@ -1753,6 +1753,9 @@
         "test": "sbox_integration_tests"
       },
       {
+        "swarming": {
+          "can_use_on_swarming_builders": true
+        },
         "test": "sbox_unittests"
       },
       {
@@ -1916,6 +1919,9 @@
         "test": "sbox_integration_tests"
       },
       {
+        "swarming": {
+          "can_use_on_swarming_builders": true
+        },
         "test": "sbox_unittests"
       },
       {
diff --git a/testing/buildbot/chromium.win.json b/testing/buildbot/chromium.win.json
index 3e83247..40fb0db 100644
--- a/testing/buildbot/chromium.win.json
+++ b/testing/buildbot/chromium.win.json
@@ -223,6 +223,9 @@
         "test": "sbox_integration_tests"
       },
       {
+        "swarming": {
+          "can_use_on_swarming_builders": true
+        },
         "test": "sbox_unittests"
       },
       {
@@ -545,6 +548,9 @@
         "test": "sbox_integration_tests"
       },
       {
+        "swarming": {
+          "can_use_on_swarming_builders": true
+        },
         "test": "sbox_unittests"
       },
       {
@@ -990,6 +996,9 @@
         "test": "sbox_integration_tests"
       },
       {
+        "swarming": {
+          "can_use_on_swarming_builders": true
+        },
         "test": "sbox_unittests"
       },
       {
@@ -1292,6 +1301,9 @@
         "test": "sbox_integration_tests"
       },
       {
+        "swarming": {
+          "can_use_on_swarming_builders": true
+        },
         "test": "sbox_unittests"
       },
       {
@@ -1753,6 +1765,9 @@
         "test": "sbox_integration_tests"
       },
       {
+        "swarming": {
+          "can_use_on_swarming_builders": true
+        },
         "test": "sbox_unittests"
       },
       {