So this should be the commit that fixes your issue:
commit 5f534bd8e8de22b75ddce4826af6f861a4b08e43 Author: Larry Finger <email address hidden> Date: Sun Feb 11 12:24:32 2018 -0600
Bluetooth: btusb: Add device ID for RTL8822BE
[ Upstream commit fed03fe7e55b7dc16077f672bd9d7bbe92b3a691 ]
The Asus Z370-I contains a Realtek RTL8822BE device with an associated BT chip using a USB ID of 0b05:185c. This device is added to the driver.
The same patch is already in Bionic's kernel tree and should be released soon.
So this should be the commit that fixes your issue:
commit 5f534bd8e8de22b 75ddce4826af6f8 61a4b08e43
Author: Larry Finger <email address hidden>
Date: Sun Feb 11 12:24:32 2018 -0600
Bluetooth: btusb: Add device ID for RTL8822BE
[ Upstream commit fed03fe7e55b7dc 16077f672bd9d7b be92b3a691 ]
The Asus Z370-I contains a Realtek RTL8822BE device with an associated
BT chip using a USB ID of 0b05:185c. This device is added to the driver.
The same patch is already in Bionic's kernel tree and should be released soon.