Fix loyalty card description in LoyaltyCard.java

Change-Id: Ic338cd8eb2f0b3718a2ffdd7f08626c84eb2f37b
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/6701571
Commit-Queue: Norge Vizcay <vizcay@google.com>
Reviewed-by: Karol Sygiet <sygiet@google.com>
Auto-Submit: Norge Vizcay <vizcay@google.com>
Commit-Queue: Karol Sygiet <sygiet@google.com>
Cr-Commit-Position: refs/heads/main@{#1482158}