[DO NOT MERGE] Smartspace - Don't create session ahead of init After the device is setup, if the smartspace component is not available/initialized, don't attempt to start a session. Fixes: 199986217 Test: atest LockscreenSmartspaceControllerTest Change-Id: I36d6f75b37cc5f5274b1cea3a35338f6da424a20 (cherry picked from commit 076aad912e50ba688bac4cdb595be00274632099)