QmakeAndroidSupport: Move AndroidPackageInstallationStep to Android plugin

There's nothing Qmake related in there (anymore?).

Change-Id: I8842d4824065cf3cba61d50b6f333ec3b52e3851
Reviewed-by: Vikas Pachdha <vikas.pachdha@qt.io>

src/plugins/android/androidpackageinstallationstep.h

@@ -0,0 +1,79 @@
+/****************************************************************************
+**
+** Copyright (C) 2016 BogDan Vatra <bog_dan_ro@yahoo.com>
+** Contact: https://www.qt.io/licensing/
+**
+** This file is part of Qt Creator.
+**
+** Commercial License Usage
+** Licensees holding valid commercial Qt licenses may use this file in
+** accordance with the commercial license agreement provided with the
+** Software or, alternatively, in accordance with the terms contained in
+** a written agreement between you and The Qt Company. For licensing terms
+** and conditions see https://www.qt.io/terms-conditions. For further
+** information use the contact form at https://www.qt.io/contact-us.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3 as published by the Free Software
+** Foundation with exceptions as appearing in the file LICENSE.GPL3-EXCEPT
+** included in the packaging of this file. Please review the following
+** information to ensure the GNU General Public License requirements will
+** be met: https://www.gnu.org/licenses/gpl-3.0.html.
+**
+****************************************************************************/
+
+#pragma once
+
+#include "android_global.h"
+
+#include <projectexplorer/buildstep.h>
+#include <projectexplorer/abstractprocessstep.h>
+
+namespace Android {
+
+class ANDROID_EXPORT AndroidPackageInstallationStep : public ProjectExplorer::AbstractProcessStep
+{
+    Q_OBJECT
+    friend class AndroidPackageInstallationFactory;
+
+public:
+    explicit AndroidPackageInstallationStep(ProjectExplorer::BuildStepList *bsl);
+    bool init(QList<const BuildStep *> &earlierSteps) override;
+
+    ProjectExplorer::BuildStepConfigWidget *createConfigWidget() override;
+    bool immutable() const override;
+
+    void run(QFutureInterface<bool> &fi) override;
+
+private:
+    QStringList m_androidDirsToClean;
+};
+
+namespace Internal {
+
+class AndroidPackageInstallationStepWidget : public ProjectExplorer::BuildStepConfigWidget
+{
+    Q_OBJECT
+public:
+    AndroidPackageInstallationStepWidget(AndroidPackageInstallationStep *step);
+
+    QString summaryText() const;
+    QString displayName() const;
+    bool showWidget() const;
+private:
+    AndroidPackageInstallationStep *m_step;
+};
+
+class AndroidPackageInstallationFactory: public ProjectExplorer::BuildStepFactory
+{
+    Q_OBJECT
+
+public:
+    AndroidPackageInstallationFactory();
+
+    bool canHandle(ProjectExplorer::BuildStepList *bsl) const override;
+};
+
+} // namespace Internal
+} // namespace Android