[declutter] Add archived tab model to FindNativeTabModelForJavaObject

This is referenced from native with a java reference to the archived
tab model, but the native object isn't included in the list which is
scanned. This causes an NPE when bulk tab closures are done on the
archived tab model.

Bug: 4292372
Change-Id: I1184bd32780eb2efefc1d3f972acd8d66e70caed
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/5804549
Reviewed-by: Calder Kitagawa <ckitagawa@chromium.org>
Commit-Queue: Brandon Wylie <wylieb@google.com>
Cr-Commit-Position: refs/heads/main@{#1344968}