BuildManager: Provide context of earlier build steps to init

This information can be used to get information from earlier steps,
which e.g. queried for android devices to deploy to.

Change-Id: Iefe1c9443915cb6211f86f98ff7aaf3cb75145ba
Reviewed-by: Niels Weber <niels.weber@theqtcompany.com>

src/plugins/remotelinux/abstractremotelinuxdeploystep.cpp

@@ -79,8 +79,9 @@ QVariantMap AbstractRemoteLinuxDeployStep::toMap() const
     return BuildStep::toMap().unite(deployService()->exportDeployTimes());
 }
 
-bool AbstractRemoteLinuxDeployStep::init()
+bool AbstractRemoteLinuxDeployStep::init(QList<const BuildStep *> &earlierSteps)
 {
+    Q_UNUSED(earlierSteps);
     QString error;
     deployService()->setTarget(target());
     const bool canDeploy = initInternal(&error);