Re-enable DepsCache using GOMA_DEPS_CACHE_FILE

scripts/slave/recipes/chromium.expected/full_chromium_fyi_ClangToTAndroid__dbg_.json

 [
   {
     "cmd": [
       "python",
       "-u",
       "\nimport sys, os\npath = sys.argv[1]\nmode = int(sys.argv[2])\nif not os.path.isdir(path):\n  if os.path.exists(path):\n    print \"%s exists but is not a dir\" % path\n    sys.exit(1)\n  os.makedirs(path, mode)\n",
       "[BUILDER_CACHE]/ClangToTAndroid__dbg_",
       "511"
     ],
     "name": "makedirs checkout path",
@@ skipping 271 matching lines @@
       "--src-dir",
       "[BUILDER_CACHE]/ClangToTAndroid__dbg_/src",
       "--goma-cache-dir",
       "[GOMA_CACHE]",
       "--buildbot-buildername",
       "ClangToTAndroid (dbg)",
       "--buildbot-mastername",
       "chromium.fyi",
       "--buildbot-slavename",
       "TestSlavename",
-      "--goma-deps-cache-dir",
-      "[GOMA_DEPS_CACHE]",
+      "--goma-deps-cache-file",
+      "ClangToTAndroid__dbg_.gomadeps",
       "--build-data-dir",
       "[ROOT]/build_data_dir",
       "--compiler",
       "clang",
       "--",
       "all"
     ],
     "env": {
       "GOMA_SERVICE_ACCOUNT_JSON_FILE": "/creds/service_accounts/service-account-goma-client.json",
       "LLVM_FORCE_HEAD_REVISION": "YES",
@@ skipping 28 matching lines @@
       "{\"blamelist\": [\"cool_dev1337@chromium.org\", \"hax@chromium.org\"], \"build_data_dir\": \"[ROOT]/build_data_dir\", \"buildername\": \"ClangToTAndroid (dbg)\", \"buildnumber\": 571, \"mastername\": \"chromium.fyi\", \"parent_buildername\": null, \"path_config\": \"kitchen\", \"recipe\": \"chromium\", \"slavename\": \"TestSlavename\", \"workdir\": \"/path/to/workdir/TestSlavename\"}"
     ],
     "name": "package build"
   },
   {
     "name": "$result",
     "recipe_result": null,
     "status_code": 0
   }
 ]