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Three new services:
 - mesh_provisioning
 - mesh_proxy
 - reconnection_configuration

Eighteen new characteristics:
 - exact_time_100
 - secondary_time_zone
 - time_broadcast
 - battery_power_state
 - battery_level_state
 - temperature_celsius
 - temperature_fahrenheit
 - position_2d
 - position_3d
 - removable
 - service_required
 - scientific_temperature_celsius
 - string
 - network_availability
 - digital_output
 - analog_output
 - pulse_oximetry_control_point
 - date_utc

Bug: 517115
Change-Id: I036374fa5d750c072af238f1e35bff4eef43e1ac
Reviewed-on: https://chromium-review.googlesource.com/1100126Reviewed-by: Giovanni Ortuño Urquidi <ortuno@chromium.org>
Commit-Queue: Reilly Grant <reillyg@chromium.org>
Cr-Commit-Position: refs/heads/master@{#567135}