- If Mobile data always on is OFF, mobile data preferred uids feature does not work. - We need to request mobile data when MDO list is not empty. Bug: 171872461 Test: atest FrameworksNetTests Test: atest CtsNetTestCases Signed-off-by: Ansik <ansik.shin@samsung.com> Original-Change: https://android-review.googlesource.com/1751023 Merged-In: Ie9d6b3e39ef16813c4be3979900d226c8f3d656d Change-Id: Ie9d6b3e39ef16813c4be3979900d226c8f3d656d