Steps to reproduce:
1. Build attached project for Windows x86_64 and Android
2. Run Windows build and login with "alvin" (same for password)
3. Run Android build and login with "david" (same for password)
4. On Android find "Alvin Xu" -> press on it -> press call button in top right corner
5. On Windows, answer the call
6. Android application will crash in ~10 seconds

Reproduced with: 5.6.4p4, 2017.2.0f3, 2018.1.0b3

Note: if you cant find "Alvin Xu" try switching accounts on Android and Windows and then search for "David Zhang"

Cant test on 5.5 because of multiple errors and missing assembly references

Devices under test:

Reproduced with:
Samsung SM G928F, OS:7.0, CPU:arm64-v8a, GPU:Mali-T760, Build:samsung/zenltexx/zenlte:7.0/NRD90M/G928FXXS3CQD3:user/release-keys
Samsung SM G950U, OS:7.0, CPU:arm64-v8a, GPU:Adreno (TM) 540, Build:samsung/dreamqltesq/dreamqltesq:7.0/NRD90M/G950USQU1AQC8:user/release-keys

Didn't reproduce with:
Sony D6503, OS:6.0.1, CPU:armeabi-v7a, GPU:Adreno (TM) 330, Build:Sony/D6503/D6503:6.0.1/23.5.A.1.291/2769308465:user/release-keys