Android: Fix debugging on Android 8+

The new way is much reliable and now we can debug all the libs from very
first start, including static constructors, JNI_OnLoad, etc.

The downside is that the startup is a little bit slower then before.
On a Ryzen 1700X is 2 to 5 seconds slower.

Task-number: QTCREATORBUG-19081
Change-Id: Iacedf7b8aa84de5026f9c81eeca35dd377cf4640
Reviewed-by: BogDan Vatra <bogdan@kdab.com>
Reviewed-by: Vikas Pachdha <vikas.pachdha@qt.io>
Reviewed-by: Eike Ziller <eike.ziller@qt.io>
Reviewed-by: hjk <hjk@qt.io>

src/plugins/android/androiddeployqtstep.cpp

@@ -166,6 +166,7 @@ bool AndroidDeployQtStep::init(QList<const BuildStep *> &earlierSteps)
     m_filesToPull["/system/" + libDirName + "/libc.so"] = buildDir + "libc.so";
 
     AndroidManager::setDeviceSerialNumber(target(), m_serialNumber);
+    AndroidManager::setDeviceApiLevel(target(), info.sdk);
 
 
     QtSupport::BaseQtVersion *version = QtSupport::QtKitInformation::qtVersion(target()->kit());