Move DeviceInfoUtilsTest from NetworkStack to frameworks/lib/net

Test: atest com.android.testutils.DeviceInfoUtilsTest
Change-Id: I2476621f57f449728c1b9611f37055105c610ca5
(cherry picked from commit 560e98020fd9f5bf91b2b126ba576cbf431f94a4)
Merged-In: I2476621f57f449728c1b9611f37055105c610ca5
1 file changed