Repro steps:
1. Open attached project
2. Build and run on Android
3. Press the "Start Per Capture" button, observe the "GPU Time" graph
4. If the reported time seems normal, add some Physics object with the "+Physics Obj" button
5. Try changing the orientation of the device several times

Actual: The graph bottoms out at 0, sometimes consistently, sometimes intermittently

Reproducible with: 2018.4.3f1, 2019.1.8f1, 2019.2.0b7, 2019.3.0a7

Tested and reproduced on these devices:
VLNQA00149, Samsung Galaxy S9 (SM-G960F), Android 9, CPU: Exynos 9 Series 9810, GPU: Mali-G72
VLNQA00124, Google Pixel 2 XL (Pixel 2 XL), Android 9, CPU: Snapdragon 835 MSM8998, GPU: Adreno (TM) 540
VLNQA00263, Google Pixel 3 (Pixel 3), Android 9, CPU: Snapdragon 845, GPU: Adreno (TM) 630
VLNQA00052, Xiaomi MI MAX (MI MAX), Android 7.0, CPU: Snapdragon 617 MSM8952, GPU: Adreno (TM) 510
VLNQA00009, Samsung Galaxy Note8 (SM-N950F), Android 8.0.0, CPU: Exynos 9 Octa 8895, GPU: Mali-G71