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/tarpackagecreationstep.cpp

@@ -130,9 +130,9 @@ void TarPackageCreationStep::ctor()
     m_ignoreMissingFiles = false;
 }
 
-bool TarPackageCreationStep::init()
+bool TarPackageCreationStep::init(QList<const BuildStep *> &earlierSteps)
 {
-    if (!AbstractPackagingStep::init())
+    if (!AbstractPackagingStep::init(earlierSteps))
         return false;
     m_packagingNeeded = isPackagingNeeded();
     if (m_packagingNeeded)