Check AServiceManager_isDeclared before AServiceManager_getService

Call AServiceManager_isDeclared before calling AServiceManager_getService
to avoid the waiting time when aidl service is not available.

Bug: 286969060
Test: run VtsHalGatekeeperTarget
Change-Id: I7d652a546cb810a601338a68950f01d065aea7a5
1 file changed