Update dependencies to new snapshot version 'swift-DEVELOPMENT-SNAPSHOT-2020-01-20-a'

Author: Eugene Burmako

utils/update_checkout/update-checkout-config.json

@@ -304,23 +304,23 @@
        "tensorflow": {
             "aliases": ["tensorflow"],
             "repos": {
-                "llvm-project": "2d019fff1f9eb1e974889011dfe24b1d89a80dcf",
+                "llvm-project": "438371f2faeedec23c18d3bd0fa656577cdc2e95",
                 "swift": "tensorflow",
-                "cmark": "swift-DEVELOPMENT-SNAPSHOT-2020-01-13-a",
-                "llbuild": "swift-DEVELOPMENT-SNAPSHOT-2020-01-13-a",
+                "cmark": "swift-DEVELOPMENT-SNAPSHOT-2020-01-20-a",
+                "llbuild": "swift-DEVELOPMENT-SNAPSHOT-2020-01-20-a",
                 "swift-tools-support-core": "0.0.1",
-                "swiftpm": "swift-DEVELOPMENT-SNAPSHOT-2020-01-13-a",
+                "swiftpm": "swift-DEVELOPMENT-SNAPSHOT-2020-01-20-a",
                 "swift-syntax": "1e524b3edc47e8ff66890d914b8bcd024e061631",
-                "swift-stress-tester": "swift-DEVELOPMENT-SNAPSHOT-2020-01-13-a",
-                "swift-corelibs-xctest": "swift-DEVELOPMENT-SNAPSHOT-2020-01-13-a",
-                "swift-corelibs-foundation": "swift-DEVELOPMENT-SNAPSHOT-2020-01-13-a",
-                "swift-corelibs-libdispatch": "swift-DEVELOPMENT-SNAPSHOT-2020-01-13-a",
-                "swift-integration-tests": "swift-DEVELOPMENT-SNAPSHOT-2020-01-13-a",
-                "swift-xcode-playground-support": "swift-DEVELOPMENT-SNAPSHOT-2020-01-13-a",
+                "swift-stress-tester": "swift-DEVELOPMENT-SNAPSHOT-2020-01-20-a",
+                "swift-corelibs-xctest": "swift-DEVELOPMENT-SNAPSHOT-2020-01-20-a",
+                "swift-corelibs-foundation": "swift-DEVELOPMENT-SNAPSHOT-2020-01-20-a",
+                "swift-corelibs-libdispatch": "swift-DEVELOPMENT-SNAPSHOT-2020-01-20-a",
+                "swift-integration-tests": "swift-DEVELOPMENT-SNAPSHOT-2020-01-20-a",
+                "swift-xcode-playground-support": "swift-DEVELOPMENT-SNAPSHOT-2020-01-20-a",
                 "ninja": "release",
                 "icu": "release-65-1",
-                "indexstore-db": "swift-DEVELOPMENT-SNAPSHOT-2020-01-13-a",
-                "sourcekit-lsp": "swift-DEVELOPMENT-SNAPSHOT-2020-01-13-a",
+                "indexstore-db": "swift-DEVELOPMENT-SNAPSHOT-2020-01-20-a",
+                "sourcekit-lsp": "swift-DEVELOPMENT-SNAPSHOT-2020-01-20-a",
                 "swift-format": "master",
                 "tensorflow": "v2.1.0-rc1",
                 "tensorflow-swift-apis": "190cf8765b758fdcc74305e7b22aeb083c1cb9fb",