Mi 9 Changelog v2.9

Device Changelog:

Important :

fw dropped and not included in the builds so now all users need to flash last fw

Kernel:

Kernel upstreamed to 4.14.244

Custom Kernels can be flashed starting from this build thx to @lamjiidii1

Device 

Overlays:

Battery Health enable

Update from cepheus-user 11 RKQ1.200826.002 V12.5.4.0

Drop pixel powerhal & powerstats

Import new powerhal to tree

add round icons support

Enable support for Bluetooth hearing aids

 sepolicy: 

Fix powerhal 1.3 adress

Delete hal_lineage_livedisplay_qti.te

Import sepolicy for pixel thermal hal

 Parts: 

Automated DC dimming

Thermal: reband to Xiaomi

 Import power AIDL extension for DT2W

Credits:

• @Evasi0nXiao for his trees and kernel

• All the guys who worked on this device