How to reproduce:
1. Open the attached "Tree Billboard Issue Repro" project
2. Build for iOS and deploy the Xcode project to the device
3. On the bottom left of the device use the virtual joystick to move around and inspect the trees

Actual: Terrain tree billboards not rotating while camera moving (see the _____.mov attached)

Reproducible with: 2019.3.11f1, 2019.3.16f1, 2019.4.2f1, 2020.1.0b14, 2020.2.0a16

Not reproducible with: 2019.3.10f1

Reproducible with:
iPad 7th gen (iOS 13.2.2)
iPad Pro 12.9" (iOS 13.4.1)
iPhone 7 (iOS 12.3.1)
iPad Air 2 (iOS 11.0.3)
iPhone 8 Plus (iOS 12.0)
iPhone XR (iOS 13.4.1)
iPad Pro 12.9 (iOS 13.4.1)
VLNQA00277, Asus ROG Phone (ASUS_Z01QD), Android 8.1.0, CPU: Snapdragon 845 SDM845, GPU: Adreno (TM) 630
VLNQA00013, Samsung Galaxy S6 edge+ (SM-G928F), Android 7.0, CPU: Exynos 7 Octa 7420, GPU: Mali-T760
VLNQA00001, Google Pixel 2 (Pixel 2), Android 11, CPU: Snapdragon 835 MSM8998, GPU: Adreno (TM) 540
VLNQA00078, Motorola Nexus 6 (Nexus 6), Android 7.1.1, CPU: Snapdragon 805 APQ8084AB, GPU: Adreno (TM) 420
VLNQA00225, Qualcomm (SDM845 for arm64), Android 8.1.0, CPU: Snapdragon 845 SDM845, GPU: Adreno (TM) 630
VLNQA00128, Samsung Galaxy Note8 (SM-N950F), Android 9, CPU: Exynos 9 Octa 8895, GPU: Mali-G71
VLNQA00317, Vivo V1924A (V1924A), Android 9, CPU: Snapdragon 855 SM8150, GPU: Adreno (TM) 640
VLNQA00294, Oppo Reno Z 中国版 (PCDM10), Android 9, CPU: Mediatek MT6779 Helio P90, GPU: PowerVR Rogue GM9446

Not reproducible with: Standalone build

Note:
- Could not test earlier versions because the project breaks when downgraded