Steps to reproduce:
1) Download attached project and open in Unity
2) Build and run project on a device
3) Click on "GPSScene" button
Note: No longitude and latitude is returned

Expected result: the coordinates of the location should be returned (check attached image "expected.png")
Actual result: the coordinates are not returned (check attached image "actual.png")

Reproduced with:
2017.2.2p3, 2017.3.2f1, 2018.1.0f1, 2018.2.0a9

Devices under testing:
Reproduced with:
Samsung (GalaxyS9) SM G960F, OS:8.0.0, CPU:arm64-v8a, GPU:Mali-G72

Not reproduced with:
Google Pixel 2 XL, OS:8.1.0, CPU:arm64-v8a, GPU:Adreno (TM) 540
Google Pixel C, OS:8.1.0, CPU:arm64-v8a, GPU:NVIDIA Tegra
Nvidia SHIELD Tablet, OS:6.0.1, CPU:armeabi-v7a, GPU:NVIDIA Tegra
Razer Phone, OS:7.1.1, CPU:arm64-v8a, GPU:Adreno (TM) 540
Samsung (GalaxyNote8) SM N950F, OS:7.1.1, CPU:arm64-v8a, GPU:Mali-G71
Sony SGP771*, OS:7.1.1, CPU:arm64-v8a, GPU:Adreno (TM) 430
iPad Mini 2, iOS 9.3.1