[Power Bookmarks] Fix improperly labeled buttons for price-tracking

Bug: 1290445,1290446
Change-Id: Icc097ff18a7f7ae2a2c1dcdfd9fc5e7741b10907
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/3413809


Reviewed-by: Matthew Jones <mdjones@chromium.org>
Commit-Queue: Brandon Wylie <wylieb@chromium.org>
Cr-Commit-Position: refs/heads/main@{#963085}