hotspot2: enclose conditional statement in parenthesis

Couple unit tests are failing due to conditional statements
not enclosed in the parenthesis, which causes unexpected
returned value for the equals function.  So fix it.

Bug: 34764955
Test: frameworks/base/wifi/tests/runtests.sh
Test: frameworks/opt/net/wifi/tests/wifitests/runtests.sh
Change-Id: Iaf0151803cb62eb8af308e5de40558617f84cd2f