Steps to reproduce:
1. Build and run the supplied project
2. Unplug the phone before starting
3. When the app is running, turn off the screen, turn it on again after a certain amount of time.

Expected: in the 'Result' tab, both times are almost identical
Actual: in the 'Result' tab, both times differ largely

Reproduced in: 2018.4.0a1, 2018.4.12f1, 2019.2.10f1, 2019.3.0b8, 2020.1.0a10
Not reproduced in: 2017.4.33f1

Reproduces with:
VLNQA00257, Sony Xperia XZ Premium (G8141), Android 9, CPU: Snapdragon 835 MSM8998, GPU: Adreno (TM) 540
VLNQA00270, Samsung Galaxy S10e (SM-G970F), Android 9, CPU: Exynos 9 9820, GPU: Mali-G76
VLNQA00173, Xiaomi Redmi 6 Pro (Redmi 6 Pro), Android 9, CPU: Snapdragon 625 MSM8953, GPU: Adreno (TM) 506
VLNQA00070, Lenovo Lenovo PHAB2 Pro (Lenovo PB2-690M), Android 6.0.1, CPU: Snapdragon 617 MSM8952, GPU: Adreno (TM) 510
VLNQA00147, Razer Razer Phone (Phone), Android 8.1.0, CPU: Snapdragon 835 MSM8998, GPU: Adreno (TM) 540
VLNQA00022, Xiaomi Redmi Note 3 (Redmi Note 3), Android 5.1.1, CPU: Snapdragon 617 MSM8952, GPU: Adreno (TM) 510
VLNQA00015, Samsung Galaxy Note8 (SM-N950W), Android 8.0.0, CPU: Snapdragon 835 MSM8998, GPU: Adreno (TM) 540
VLNQA00262, Sony Xperia XZ Premium (G8141), Android 9, CPU: Snapdragon 835 MSM8998, GPU: Adreno (TM) 540
iPhone XR iOS 12.0
iPhone X iOS 13.0