[Firmware][8.0.0] OxygenOS Open Beta 25 [Oreo]

[AcmE85]

OxygenOS Open Beta 34 for the OnePlus 3 and 25 for the OnePlus 3T

Changelog:

System

• Updated Android security patch to 2018-04

OnePlus Clock

• Changes to alarm background color and other UI changes
• Stopwatch updated with new UI

OnePlus Switch

• Added support to migrate application data, allowing you to switch between devices seamlessly

Card Package

• Added new membership card in Shelf