missing flags e2e updates

Signed-off-by: Tim Vaillancourt <[email protected]>

go/flags/endtoend/vtcombo.txt

@@ -337,6 +337,7 @@ Flags:
       --stream_health_buffer_size uint                                   max streaming health entries to buffer per streaming health client (default 20)
       --table-refresh-interval int                                       interval in milliseconds to refresh tables in status page with refreshRequired class
       --table_gc_lifecycle string                                        States for a DROP TABLE garbage collection cycle. Default is 'hold,purge,evac,drop', use any subset ('drop' implicitly always included) (default "hold,purge,evac,drop")
+      --tablet-filter-tags StringMap                                     Specifies a comma-separated list of tablet tags (as key:value pairs) to filter the tablets to watch.
       --tablet_dir string                                                The directory within the vtdataroot to store vttablet/mysql files. Defaults to being generated by the tablet uid.
       --tablet_filters strings                                           Specifies a comma-separated list of 'keyspace|shard_name or keyrange' values to filter the tablets to watch.
       --tablet_health_keep_alive duration                                close streaming tablet health connection if there are no requests for this long (default 5m0s)

go/flags/endtoend/vtgate.txt

@@ -195,6 +195,7 @@ Flags:
       --stderrthreshold severityFlag                                     logs at or above this threshold go to stderr (default 1)
       --stream_buffer_size int                                           the number of bytes sent from vtgate for each stream call. It's recommended to keep this value in sync with vttablet's query-server-config-stream-buffer-size. (default 32768)
       --table-refresh-interval int                                       interval in milliseconds to refresh tables in status page with refreshRequired class
+      --tablet-filter-tags StringMap                                     Specifies a comma-separated list of tablet tags (as key:value pairs) to filter the tablets to watch.
       --tablet_filters strings                                           Specifies a comma-separated list of 'keyspace|shard_name or keyrange' values to filter the tablets to watch.
       --tablet_grpc_ca string                                            the server ca to use to validate servers when connecting
       --tablet_grpc_cert string                                          the cert to use to connect