Add retry params for create_read_session (via synth). (#7658)

Author: yoshi-automation

bigquery_storage/google/cloud/bigquery_storage_v1beta1/gapic/big_query_storage_client_config.py

@@ -14,13 +14,22 @@
                     "rpc_timeout_multiplier": 1.0,
                     "max_rpc_timeout_millis": 20000,
                     "total_timeout_millis": 600000,
-                }
+                },
+                "create_read_session": {
+                    "initial_retry_delay_millis": 100,
+                    "retry_delay_multiplier": 1.3,
+                    "max_retry_delay_millis": 60000,
+                    "initial_rpc_timeout_millis": 120000,
+                    "rpc_timeout_multiplier": 1.0,
+                    "max_rpc_timeout_millis": 120000,
+                    "total_timeout_millis": 600000,
+                },
             },
             "methods": {
                 "CreateReadSession": {
                     "timeout_millis": 60000,
                     "retry_codes_name": "idempotent",
-                    "retry_params_name": "default",
+                    "retry_params_name": "create_read_session",
                 },
                 "ReadRows": {
                     "timeout_millis": 86400000,

bigquery_storage/synth.metadata

@@ -1,19 +1,19 @@
 {
-  "updateTime": "2019-03-27T17:44:10.575389Z",
+  "updateTime": "2019-04-04T12:11:35.966640Z",
   "sources": [
     {
       "generator": {
         "name": "artman",
-        "version": "0.16.19",
-        "dockerImage": "googleapis/artman@sha256:70ba28fda87e032ae44e6df41b7fc342c1b0cce1ed90658c4890eb4f613038c2"
+        "version": "0.16.23",
+        "dockerImage": "googleapis/artman@sha256:f3a3f88000dc1cd1b4826104c5574aa5c534f6793fbf66e888d11c0d7ef5762e"
       }
     },
     {
       "git": {
         "name": "googleapis",
-        "remote": "git@github.com:googleapis/googleapis.git",
-        "sha": "d4d57d766601105478c661132f2687e6984b92d5",
-        "internalRef": "240469931"
+        "remote": "https://github.com/googleapis/googleapis.git",
+        "sha": "04193ea2f8121388c998ab49c382f2c03417dcce",
+        "internalRef": "241828309"
       }
     }
   ],