GitLab

There might be no events triggerring lazy initialization of
StandaloneTrustedVaultBackend while device registration needs to be
completed. This CL removes lazy initialization logic and backend is now
always initialized in client ctor.

Bug: 1102340
Change-Id: I83a4e4d79bd7dc0f076d9795a814b514e143f99d
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2424305
Commit-Queue: Maksim Moskvitin <mmoskvitin@google.com>
Reviewed-by: Mikel Astiz <mastiz@chromium.org>
Cr-Commit-Position: refs/heads/master@{#809772}