TWS-A2DP: Add delay to set dual mono configuration

In default mono mode,configure to mono as soon as first
EB gets connected and when second EB connected and starts
playing,send delayed configuration to set dual-mono to
audio hal.


CRs-Fixed: 2442245
Change-Id: I516cbdde58d56cd859a378e9fe68ac240154a178
1 file changed