Support Apktool framework manangement

[Surendrajat]

To-Do:

• [x] Clear ApkTool framework dir (useful for update too) #46
• [ ] Install new framework-res.apk
• [ ] Allow tagging framework during install
• [ ] Allow specifying framework tags for decoding

Ref:

• https://ibotpeaches.github.io/Apktool/documentation/#frameworks
• https://ibotpeaches.github.io/Apktool/documentation/#empty-framework-dir