Mirrors the  InstallLocation  enum.
For more information about the attribute, see Android's documentation: InstallLocation attribute
| Description | |
|---|---|
| Null | Attribute is not set and will not appear in the element. | 
| InternalOnly | Mirrors android:installLocation="internalOnly". | 
| Auto | Mirrors android:installLocation="auto". | 
| PreferExternal | Mirrors android:installLocation="preferExternal". |