[LCPP] Bugfix: SetLCPPNavigationHint() can be called on redirect

SetLCPPNavigationHint can be called on redirect. The previous CL
(https://crrev.com/c/4740935) changed this behavior, but we forgot to
update SetLCPPNavigationHint().

Bug: 1419756
Change-Id: I304a70a00f4720711485d3b46f0884090c7d5db6
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/4746420
Reviewed-by: Rakina Zata Amni <rakina@chromium.org>
Reviewed-by: Yoshisato Yanagisawa <yyanagisawa@chromium.org>
Reviewed-by: Kouhei Ueno <kouhei@chromium.org>
Reviewed-by: Shunya Shishido <sisidovski@chromium.org>
Commit-Queue: Minoru Chikamune <chikamune@chromium.org>
Cr-Commit-Position: refs/heads/main@{#1179418}