On high throughput mode, send a message to perfd, through
cnss-daemon, to set the min freq for perf cluster to 700 KHz,
and release it on transition to low throughput.
Goes with corresponding changes on cnss-daemon (1834087).
Change-Id: I9c5c701fa33992e44fc3bad5e58599da0b45cbd7
CRs-Fixed: 1115614