Add presubmit trybuilder to Luci-GAE repository.

scripts/slave/recipes/infra/luci_gae.expected/presubmit_try_job.json

Index: scripts/slave/recipes/infra/luci_gae.expected/presubmit_try_job.json
diff --git a/scripts/slave/recipes/infra/luci_go.expected/presubmit_try_job.json b/scripts/slave/recipes/infra/luci_gae.expected/presubmit_try_job.json
similarity index 81%
copy from scripts/slave/recipes/infra/luci_go.expected/presubmit_try_job.json
copy to scripts/slave/recipes/infra/luci_gae.expected/presubmit_try_job.json
index 317cfe67c5e0ff8ca4159a8d208a01ccc5c2341a..316354c5807fef7e6e32ab4d837aa086b0166900 100644
--- a/scripts/slave/recipes/infra/luci_go.expected/presubmit_try_job.json
+++ b/scripts/slave/recipes/infra/luci_gae.expected/presubmit_try_job.json
@@ -7,15 +7,15 @@
       "--master",
       "tryserver.infra",
       "--builder",
-      "Luci-go Presubmit",
+      "Luci-GAE Presubmit",
       "--slave",
       "TestSlavename",
       "--spec",
       "cache_dir = '[ROOT]/git_cache'\nsolutions = [{'deps_file': '.DEPS.git', 'managed': True, 'name': 'infra', 'url': 'https://chromium.googlesource.com/infra/infra.git'}]",
       "--root",
-      "infra/go/src/github.com/luci/luci-go",
+      "infra/go/src/github.com/luci/gae",
       "--revision_mapping_file",
-      "{\"infra/go/src/github.com/luci/luci-go\": \"got_revision\"}",
+      "{\"infra/go/src/github.com/luci/gae\": \"got_revision\"}",
       "--issue",
       "12853011",
       "--patchset",
@@ -27,7 +27,9 @@
       "--revision",
       "infra@origin/master",
       "--revision",
-      "infra/go/src/github.com/luci/luci-go@HEAD",
+      "infra/go/src/github.com/luci/gae@HEAD",
+      "--revision",
+      "infra/go/src/github.com/luci/luci-go@origin/master",
       "--force"
     ],
     "cwd": "[SLAVE_BUILD]",
@@ -37,17 +39,17 @@
       "@@@STEP_LOG_LINE@json.output@{@@@",
       "@@@STEP_LOG_LINE@json.output@  \"did_run\": true, @@@",
       "@@@STEP_LOG_LINE@json.output@  \"patch_failure\": false, @@@",
-      "@@@STEP_LOG_LINE@json.output@  \"patch_root\": \"infra/go/src/github.com/luci/luci-go\", @@@",
+      "@@@STEP_LOG_LINE@json.output@  \"patch_root\": \"infra/go/src/github.com/luci/gae\", @@@",
       "@@@STEP_LOG_LINE@json.output@  \"properties\": {@@@",
-      "@@@STEP_LOG_LINE@json.output@    \"got_revision\": \"0fe06637d251d5832f57351f23a63d1cf9458a9d\", @@@",
-      "@@@STEP_LOG_LINE@json.output@    \"got_revision_cp\": \"refs/heads/master@{#264471}\"@@@",
+      "@@@STEP_LOG_LINE@json.output@    \"got_revision\": \"1baeb5a8a8ba8145cc2d047ac027a5a5e30ab846\", @@@",
+      "@@@STEP_LOG_LINE@json.output@    \"got_revision_cp\": \"refs/heads/master@{#34600}\"@@@",
       "@@@STEP_LOG_LINE@json.output@  }, @@@",
       "@@@STEP_LOG_LINE@json.output@  \"root\": \"infra\", @@@",
       "@@@STEP_LOG_LINE@json.output@  \"step_text\": \"Some step text\"@@@",
       "@@@STEP_LOG_LINE@json.output@}@@@",
       "@@@STEP_LOG_END@json.output@@@",
-      "@@@SET_BUILD_PROPERTY@got_revision@\"0fe06637d251d5832f57351f23a63d1cf9458a9d\"@@@",
-      "@@@SET_BUILD_PROPERTY@got_revision_cp@\"refs/heads/master@{#264471}\"@@@"
+      "@@@SET_BUILD_PROPERTY@got_revision@\"1baeb5a8a8ba8145cc2d047ac027a5a5e30ab846\"@@@",
+      "@@@SET_BUILD_PROPERTY@got_revision_cp@\"refs/heads/master@{#34600}\"@@@"
     ]
   },
   {
@@ -62,7 +64,7 @@
       "-m",
       "Committed patch"
     ],
-    "cwd": "[SLAVE_BUILD]/infra/go/src/github.com/luci/luci-go",
+    "cwd": "[SLAVE_BUILD]/infra/go/src/github.com/luci/gae",
     "name": "commit git patch"
   },
   {
@@ -94,7 +96,7 @@
       "python",
       "[DEPOT_TOOLS]/presubmit_support.py",
       "--root",
-      "[SLAVE_BUILD]/infra/go/src/github.com/luci/luci-go",
+      "[SLAVE_BUILD]/infra/go/src/github.com/luci/gae",
       "--commit",
       "--verbose",
       "--verbose",
@@ -112,7 +114,7 @@
       "https://codereview.chromium.org",
       "--rietveld_fetch",
       "--upstream",
-      "0fe06637d251d5832f57351f23a63d1cf9458a9d",
+      "1baeb5a8a8ba8145cc2d047ac027a5a5e30ab846",
       "--trybot-json",
       "/path/to/tmp/json",
       "--rietveld_email",