Add changelog for QtPositioning 5.3.2 release.

Change-Id: If443639a44cc22e3e81571033aaee9e4cf188a7b
Reviewed-by: Jerome Pasion <jerome.pasion@digia.com>
Report error when failing to connect to Geoclue.

[ChangeLog][QtPositioning][QGeoPositionInfoSource] Report errors when
failing to connect to Geoclue.

Task-number: QTBUG-40425
Change-Id: If3fa0929b724aa70a1fed01b5951f5bc9bd5adad
Reviewed-by: Alex Blasche <alexander.blasche@digia.com>
Enforce the use of test.source position plug-in in auto tests

This avoids that platform specific plug-ins such as the geoclue plug-in
on Linux interfere with auto tests. The auto tests require the specific
test plug-in values to succeed.

Task-number: QTBUG-40702
Change-Id: I1c3ea9f6d23e1ad20815a86ded7815e498016af2
Reviewed-by: Aaron McCarthy <mccarthy.aaron@gmail.com>
Don't hang weatherinfo if position source has an error.

We continue with the simulation mode.

Task-number: QTBUG-40702
Change-Id: I130b0080a198a218803986fb7ff06fdd0b83186a
Reviewed-by: Aaron McCarthy <mccarthy.aaron@gmail.com>
Merge branch '5.3' into 5.4

Change-Id: I02ab19530354f656823e59bb43a6fc4786b2f189