Make ModemActivityInfo.isValid system because getIdleTimeMillis(), getSleepTimeMillis(), and getReceiveTimeMillis() are system. Bug: 146436760 Test: build Change-Id: Ifc1a1853fe0b7ca143ef95fe3a1abe70e2dc70d4
Make ModemActivityInfo.isValid system because getIdleTimeMillis(), getSleepTimeMillis(), and getReceiveTimeMillis() are system. Bug: 146436760 Test: build Change-Id: Ifc1a1853fe0b7ca143ef95fe3a1abe70e2dc70d4