System properties set with the "=" operator cannot be overriden. This
device is used elsewhere in the system and some of the properties need
to be overridden. The "?=" operator will use the assigned value if no
other values are assigned elsewhere, allowing for overrides.
Bug: 230638462
Test: adb shell getprop | grep bluetooth
Change-Id: Id6cd7901555edafef141bbc1bbd5e06dc3a54d0c
The class of device is a string with a list of uint8t values:
90,2,12
The meaning is as follows:
{Service Field, Major class, Minor class}
Service Field: 0x5A -> 90
Bit 17: Networking
Bit 19: Capturing
Bit 20: Object Transfer
Bit 22: Telephony
MAJOR_CLASS: 0x02 -> 2 (Phone)
MINOR_CLASS: 0x0C -> 12 (Smart Phone)
Bug: 217452259
Test: make -j; -- check that bluetooth.device.class_of_device is
correct
Change-Id: I24fd57bacbf6786a26f7079e7a6e9857dbe170d1
