Android: Improve the Keystore and Certificate dialog.

- Display all information in one place.
- Checkbox to enable the certificate to use the same password as the
  Keystore.
- Display information when alias field is empty.
- Misc. layout changes.

Task-number: QTCREATORBUG-10061
Change-Id: I99a3e7019dfbf72bcd2374594f3ebe45c26680d2
Reviewed-by: Daniel Teske <daniel.teske@digia.com>
Reviewed-by: BogDan Vatra <bogdan@kde.org>

src/plugins/android/androidcreatekeystorecertificate.h

@@ -62,11 +62,15 @@ public:
 private slots:
     PasswordStatus checkKeystorePassword();
     PasswordStatus checkCertificatePassword();
+    bool checkCertificateAlias();
+    bool checkCountryCode();
     void on_keystoreShowPassCheckBox_stateChanged(int state);
     void on_certificateShowPassCheckBox_stateChanged(int state);
     void on_buttonBox_accepted();
+    void on_samePasswordCheckBox_stateChanged(int state);
 
 private:
+    bool validateUserInput();
     Ui::AndroidCreateKeystoreCertificate *ui;
     Utils::FileName m_keystoreFilePath;
 };