Align flag description with v22 backport

Co-Authored-By: Claude <svc-devxp-claude@slack-corp.com>

AI disclosure: Claude Code assisted with development. Every line of code was either written by or carefully reviewed by me :)

Author: bgwines

go/flags/endtoend/vtcombo.txt

@@ -51,7 +51,7 @@ Flags:
       --config-path strings                                              Paths to search for config files in. (default [{{ .Workdir }}])
       --config-persistence-min-interval duration                         minimum interval between persisting dynamic config changes back to disk (if no change has occurred, nothing is done). (default 1s)
       --config-type string                                               Config file type (omit to infer config type from file extension).
-      --consolidator-cache-proto3-rows                                   Cache proto3-encoded rows in consolidated results to avoid redundant encoding by waiting queries.
+      --consolidator-cache-proto3-rows                                   If true, the consolidation leader pre-caches proto3-encoded rows so that waiters avoid redundant encoding work.
       --consolidator-query-waiter-cap int                                Configure the maximum number of clients allowed to wait on the consolidator.
       --consolidator-query-waiter-cap-method string                      Configure the method when consolidator waiter cap is exceeded. Options: fallthrough, reject. (default "fallthrough")
       --consolidator-stream-query-size int                               Configure the stream consolidator query size in bytes. Setting to 0 disables the stream consolidator. (default 2097152)

go/flags/endtoend/vttablet.txt

@@ -85,7 +85,7 @@ Flags:
       --config-path strings                                              Paths to search for config files in. (default [{{ .Workdir }}])
       --config-persistence-min-interval duration                         minimum interval between persisting dynamic config changes back to disk (if no change has occurred, nothing is done). (default 1s)
       --config-type string                                               Config file type (omit to infer config type from file extension).
-      --consolidator-cache-proto3-rows                                   Cache proto3-encoded rows in consolidated results to avoid redundant encoding by waiting queries.
+      --consolidator-cache-proto3-rows                                   If true, the consolidation leader pre-caches proto3-encoded rows so that waiters avoid redundant encoding work.
       --consolidator-query-waiter-cap int                                Configure the maximum number of clients allowed to wait on the consolidator.
       --consolidator-query-waiter-cap-method string                      Configure the method when consolidator waiter cap is exceeded. Options: fallthrough, reject. (default "fallthrough")
       --consolidator-stream-query-size int                               Configure the stream consolidator query size in bytes. Setting to 0 disables the stream consolidator. (default 2097152)