AndroidSettingsWidget: Set JDK path
AndroidSettingsWidget: Set JDK path

Use QFileDialog::getExistingDirectory instead of
QFileDialog::getOpenfileName.

Change-Id: I3790f3c238434643fa304e18a42216b951a445c7
Reviewed-by: Tobias Hunger <012f8d714267bccc9d4766fbeace9f175fcc70c4@digia.com>

colede/qtcreator,amyvmiwei/qt-creator,farseerri/git_code,xianian/qt-creator,maui-packages/qt-creator,kuba1/qtcreator,darksylinc/qt-creator,amyvmiwei/qt-creator,maui-packages/qt-creator,xianian/qt-creator,Distrotech/qtcreator,omniacreator/qtcreator,AltarBeastiful/qt-creator,xianian/qt-creator,amyvmiwei/qt-creator,danimo/qt-creator,amyvmiwei/qt-creator,farseerri/git_code,martyone/sailfish-qtcreator,kuba1/qtcreator,omniacreator/qtcreator,Distrotech/qtcreator,martyone/sailfish-qtcreator,martyone/sailfish-qtcreator,amyvmiwei/qt-creator,xianian/qt-creator,darksylinc/qt-creator,richardmg/qtcreator,danimo/qt-creator,colede/qtcreator,farseerri/git_code,Distrotech/qtcreator,AltarBeastiful/qt-creator,kuba1/qtcreator,danimo/qt-creator,martyone/sailfish-qtcreator,omniacreator/qtcreator,Distrotech/qtcreator,kuba1/qtcreator,omniacreator/qtcreator,danimo/qt-creator,omniacreator/qtcreator,xianian/qt-creator,Distrotech/qtcreator,xianian/qt-creator,kuba1/qtcreator,AltarBeastiful/qt-creator,farseerri/git_code,farseerri/git_code,richardmg/qtcreator,Distrotech/qtcreator,danimo/qt-creator,darksylinc/qt-creator,richardmg/qtcreator,richardmg/qtcreator,richardmg/qtcreator,colede/qtcreator,martyone/sailfish-qtcreator,kuba1/qtcreator,maui-packages/qt-creator,martyone/sailfish-qtcreator,darksylinc/qt-creator,farseerri/git_code,omniacreator/qtcreator,darksylinc/qt-creator,danimo/qt-creator,darksylinc/qt-creator,AltarBeastiful/qt-creator,richardmg/qtcreator,maui-packages/qt-creator,maui-packages/qt-creator,richardmg/qtcreator,maui-packages/qt-creator,martyone/sailfish-qtcreator,xianian/qt-creator,farseerri/git_code,AltarBeastiful/qt-creator,colede/qtcreator,colede/qtcreator,colede/qtcreator,danimo/qt-creator,kuba1/qtcreator,kuba1/qtcreator,xianian/qt-creator,amyvmiwei/qt-creator,amyvmiwei/qt-creator,martyone/sailfish-qtcreator,AltarBeastiful/qt-creator,Distrotech/qtcreator,omniacreator/qtcreator,AltarBeastiful/qt-creator,farseerri/git_code,danimo/qt-creator,darksylinc/qt-creator,darksylinc/qt-creator,AltarBeastiful/qt-creator,maui-packages/qt-creator,amyvmiwei/qt-creator,danimo/qt-creator,martyone/sailfish-qtcreator,kuba1/qtcreator,xianian/qt-creator,colede/qtcreator