[avrcp] Fix version of controller

The AVRCP controller version should be set to 1.4 when
absolute volume is supported. Android Car target reads
this attributes and match the version. Leads to unexpected
behaviour of disabling absolute volume control.

Bug: 258826589
Tag: #feature
Test: On device
Change-Id: Id54106d90027d81c19c131d1013920a0b8a74e4e