Android Kits: Use ANDROID_TARGET_ARCH in display name

Note this only affects newly generated kits.

Task-number: QTCREATORBUG-9865
Change-Id: I9f62c1d1932aa32e1a307b92ce0f8ba80bb6ed5c
Reviewed-by: Eskil Abrahamsen Blomfeldt <eskil.abrahamsen-blomfeldt@digia.com>

src/plugins/android/androidqtversion.h

@@ -59,6 +59,11 @@ public:
     QString platformDisplayName() const;
 
     QString description() const;
+    QString targetArch() const;
+protected:
+    virtual void parseMkSpec(ProFileEvaluator *) const;
+private:
+    mutable QString m_targetArch;
 };
 
 } // namespace Internal