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This also updates the preference library's dependencies:
core, annotation, collection, fragment

Binary-Size: New androidx fragment library is larger.
Bug: 1092986
Change-Id: Ifbc383b4e48c443e0cc1993e387e76270e89dac5
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2238412Reviewed-by: Nico Weber <thakis@chromium.org>
Reviewed-by: Sam Maier <smaier@chromium.org>
Reviewed-by: Andrew Grieve <agrieve@chromium.org>
Commit-Queue: Robbie McElrath <rmcelrath@chromium.org>
Cr-Commit-Position: refs/heads/master@{#780051}