Updated permissions for the renderdoccmd app based on which version of
android the app is running on
**WRITE_EXTERNAL_STORAGE for <R
**MANAGE_EXTERNAL_STORAGE for >=R
Updated the Java portion of renderdoccmd to check/request the correct
permission based on android version
Changed the file path for renderdoc files on Android based on the
version of Android the connected device is running
**/sdcard/Android/data/$PACKAGE_NAME for <R
**/sdcard/Android/media/$PACKAGE_NAME for >=R
* The apk targets api level 21 which is 5.0, so it still won't install on
anything older.
* We pop up a big warning to the user the first time they try and select such a
remote host.