Steps to reproduce:
1. Open user attached project
2. Build & Run on Android device
3. Application crashes when the scene is ran

Expected result: crash should not occur when an application is started with a paired Bluetooth headset

Reproduced in: 2019.1.0a3, 2017.3.0a3
No repro in: 2017.3.0a2, 2017.3.0a1, 2017.2.3p4
Regressions since: 2017.3.0a3

Fixed in: 2019.1.0a6, 2018.3.0b9, 2017.4.15f1

Tested devices:
Reproduced:
VLNQA00124, Google Pixel 2 XL (Pixel 2 XL), Android 9, CPU: Snapdragon 835 MSM8998, GPU: Adreno (TM) 540
VLNQA00153, Google Pixel XL (Pixel XL), Android 8.0.0, CPU: Snapdragon 821 MSM8996 Pro, GPU: Adreno (TM) 530
No repro:
VLNQA00051, Xiaomi MI MAX (MI MAX), Android 6.0.1, CPU: Snapdragon 617 MSM8952, GPU: Adreno (TM) 510
VLNQA00134, Samsung Galaxy S8 (SM-G950F), Android 8.0.0, CPU: Exynos 9 Octa 8895, GPU: Mali-G71
N/A, Sony Xperia Z2 (D6503), Android 6.0.1, CPU: Snapdragon 801 MSM8974PRO-AB, GPU: Adreno (TM) 330
VLNQA00093, Samsung Galaxy S6 edge (SM-G925F), Android 7.0, CPU: Exynos 7 Octa 7420, GPU: Mali-T760
iPod Touch 6 iOS 10.2.1