uninstallerType
Type of the package uninstaller implementation.
Default value is UninstallerType.DEFAULT.
When getting/setting the value of this property, the following invariants are maintained:
When on API level < 21, UninstallerType.INTENT_BASED is always returned/set regardless of the current/provided value;
When on API level >= 26 and uninstallVersion targets an exact version representable on the current API level, UninstallerType.PACKAGE_INSTALLER_BASED is always returned/set regardless of the current/provided value.