Override PlatformSensor::GetMaximumSupportedFrequency() in PlatformSensorFusion

This is a follow-up CL for:
https://chromium-review.googlesource.com/c/chromium/src/+/879586
which clamps sensor frequency to maximum supported frequency.

However, for fusion sensor, it needs to override
PlatformSensor::GetMaximumSupportedFrequency(), otherwise it will get 5Hz as default.
This has caused DeviceOrientation API to report sensor data in a low frequency. This
CL fixes this issue.

Bug: 819413
Change-Id: Ib7c888227d3a09c7df281c06a7dbb3290de34d4f
Reviewed-on: https://chromium-review.googlesource.com/953127
Reviewed-by: Reilly Grant <reillyg@chromium.org>
Commit-Queue: Jun Cai <juncai@chromium.org>
Cr-Original-Commit-Position: refs/heads/master@{#541840}(cherry picked from commit 89fd25bc1ec30c17939a50684df8fbc84746d961)
Reviewed-on: https://chromium-review.googlesource.com/957104
Reviewed-by: Jun Cai <juncai@chromium.org>
Cr-Commit-Position: refs/branch-heads/3359@{#133}
Cr-Branched-From: 66afc5e5d10127546cc4b98b9117aff588b5e66b-refs/heads/master@{#540276}
5 files changed