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This commit replaces base::Singleton with base::NoDestructor. It helps
to determine the lifetime of AccelerometerReader and avoid usages of it
on invalid threads.

BUG=b:171446270
TEST=run on nightfury(with iioservice) and helios(without iioservice)

Change-Id: I55686e712a381c860054db14a1df00346b16ce6a
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2543171Reviewed-by: Xiaoqian Dai <xdai@chromium.org>
Commit-Queue: Cheng-Hao Yang <chenghaoyang@chromium.org>
Cr-Commit-Position: refs/heads/master@{#828553}