add a feature flag for the stranded() API change transition #40589
add a feature flag for the stranded() API change transition #40589

the feature flag macro will help client code to build with
both the new and the old API during the transition.

the macro is named QI_DETAIL_... to indicate we don't
commit to support it forever.

Change-Id: I94ca67ccc80661210357f2dc9faa54ad50ecdee7
Reviewed-on: http://gerrit.aldebaran.lan/89168
Reviewed-by: vincent.palancher <f8ff75e1c61314c499fafa8de0d9e004e87e66b0@external.softbankrobotics.com>
Reviewed-by: jlamotte <70353e7b0c7d18b7fc75605daf0ccba69fcd3222@aldebaran.com>
Tested-by: jlamotte <70353e7b0c7d18b7fc75605daf0ccba69fcd3222@aldebaran.com>

aldebaran/libqi,aldebaran/libqi,aldebaran/libqi