Ignore SQL exceptions in getAccountsAsUserForPackage and syncSharedAccounts.

In rare cases API is called for removed user and crashes system server.

Bug: 354148797
Test: manual
Flag: EXEMPT bugfix
(cherry picked from https://googleplex-android-review.googlesource.com/q/commit:2403b49b56970221a7bfc31bd811a5cf9e094046)
Merged-In: I9f1aef6f8e131ad1df11f68eda4c0db189b45b05
Change-Id: I9f1aef6f8e131ad1df11f68eda4c0db189b45b05