Android UCI engine update: Vajolet2 2.5.ACH

Vajolet2 got close to 3000 ELO in the upcoming Rapidroid ranking. I expect this new v2.5 will add some more ELOs. Thanks go to Alexei once again for porting it.

GET Vajolet2 2.5.ACH for arm7 and arm8

In case of trouble downloading from PC, use your mobile or refer to THIS POST