Add functionality to the install_static library to tokenize strings and compare versions.

testing/buildbot/chromium.win.json

 {
   "Win 7 Tests x64 (1)": {
     "gtest_tests": [
       {
         "swarming": {
           "can_use_on_swarming_builders": true
         },
         "test": "accessibility_unittests"
       },
       {
@@ skipping 186 matching lines @@
       {
         "swarming": {
           "can_use_on_swarming_builders": true
         },
         "test": "gpu_unittests"
       },
       {
         "swarming": {
           "can_use_on_swarming_builders": true
         },
+        "test": "install_static_unittests"
+      },
+      {
+        "swarming": {
+          "can_use_on_swarming_builders": true
+        },
         "test": "installer_util_unittests"
       },
       {
         "swarming": {
           "can_use_on_swarming_builders": true,
           "shards": 2
         },
         "test": "interactive_ui_tests"
       },
       {
@@ skipping 2076 matching lines @@
       },
       {
         "swarming": {
           "can_use_on_swarming_builders": true
         },
         "test": "events_unittests"
       }
     ]
   }
 }