Update TFRT dependency to use revision
http://github.com/tensorflow/runtime/commit/e97727d5dd2e99724e67b708be6b43f71b96ecba.

PiperOrigin-RevId: 391756649
Change-Id: I64c232d31a248c3c6fbd1c947dbab336686ee6d8
diff --git a/third_party/tf_runtime/workspace.bzl b/third_party/tf_runtime/workspace.bzl
index 6f12e42..41d8997 100644
--- a/third_party/tf_runtime/workspace.bzl
+++ b/third_party/tf_runtime/workspace.bzl
@@ -6,8 +6,8 @@
     """Imports TFRT."""
 
     # Attention: tools parse and update these lines.
-    TFRT_COMMIT = "aca1b32170cc341082b5017d2bfb7dc93fcbc4ed"
-    TFRT_SHA256 = "703eecfcb91763f74e535fc392ed365c5357dbbda4b721c4756a6901adb64ab4"
+    TFRT_COMMIT = "e97727d5dd2e99724e67b708be6b43f71b96ecba"
+    TFRT_SHA256 = "1bd96c0577d16f5482d17efbc67492b63a4cb61c83afcc1cdd8397163601319c"
 
     tf_http_archive(
         name = "tf_runtime",