[nfc] Fix string injection in default payment app selector

Backwards compatible port of ag/35084316

Bug: 429417453
Test: Manually by installing settings app
Flag: EXEMPT security fix
(cherry picked from https://googleplex-android-review.googlesource.com/q/commit:6c723a4361950e8e43cc5caf67455bd2f00911d1)
Cherrypick-From: https://googleplex-android-review.googlesource.com/q/commit:9bfca372797cef923785eaa8c835673bdfd8e594
Merged-In: I670774a5efa6f543a5e1e06798a5d6ebb1c48c1d
Change-Id: I670774a5efa6f543a5e1e06798a5d6ebb1c48c1d