Update payment link prefixes in the validator

Update the valid prefixes according to the finalized alignment.

Bug: 40280186
Change-Id: I0275e130e582975c98119f7632cea7794289f28a
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/5979239
Reviewed-by: Sujie Zhu <sujiezhu@google.com>
Reviewed-by: Rouslan Solomakhin <rouslan@chromium.org>
Reviewed-by: Vishwas Uppoor <vishwasuppoor@google.com>
Commit-Queue: Junhui He <junhuihe@google.com>
Cr-Commit-Position: refs/heads/main@{#1379138}