Getting 404 on api call since upgraded to android@7.0.0

Hello Everyone, i have been facing problem in authentication when using mobile device, however everything works fine when doing ionic serve and testing on brwoser.

i would like to if there is a problem with new version of android@7.0.0

one more thing i noticed that there is one more file got added to it ie, AndroidMenifest.xml which as per my knowledge is found in android native apps.

can you please suggest me what could be the reason.

thanks in advance