Remove AppSearchException from SearchSuggestionSpec.Builder

Change SearchSuggestionSpec Builder to throw IllegalStateException
instead of AppSearchException. Remove AppSearchException from the
signature. This will match SearchSpec and other AppSearch API.

Bug: 227356108
Test: presubmit
Relnote: Remove AppSearchException from builder signature.
Change-Id: I5b3a675d20d8da83d124f2f567f8af028991088b
3 files changed