* Update compileSdkVersion to 25 and buildToolsVersion to 25.0.2
Best to keep these up-to-date. Doesn't affect backwards compatibility.
* Add buildToolsVersion requirement of 25.0.2.
Working: set aspect, select camera type, set flash/torch mode, take picture and save it to the file system, mediaroll as data.
Not working: Video capture, set orientation.
Known problem: Front camera pictures are not oriented correctly.