Declare platform property to affect gradle build caching (#5661)
Declare platform property to affect gradle build caching (#5661)

* Declare platform property to affect gradle build cache key

* Fix

tiarebalbi/okhttp,ze-pequeno/okhttp,cmzy/okhttp,ze-pequeno/okhttp,square/okhttp,square/okhttp,cketti/okhttp,cketti/okhttp,square/okhttp,yschimke/okhttp,cmzy/okhttp,ze-pequeno/okhttp,tiarebalbi/okhttp,cketti/okhttp,ansman/okhttp,ansman/okhttp,tiarebalbi/okhttp,ansman/okhttp,yschimke/okhttp,yschimke/okhttp