Symptom: It should be more reasonable to use setBatterySaverMode API to leave power-save mode instead of plugging in charger for "CtsHostsideNetworkTests" test case. Root Cause: It uses setBatterySaverMode API to enter power-save mode and uses plugging in charger to leave power save mode.It should be more reasonable to use setBatterySaverMode API to leave power-save mode instead of plugging in charger. Solution: To use setBatterySaverMode API to leave power-save mode instead of plugging in charger. Project: N70 Note: NA Test done by RD: Futher testing need Q team's support: Change-Id: I491c5d0675f340e1c9911b84e41f034663b1454d