Reproduction steps:
1. Open the attached project "case_903910_small_project.zip";
2. Build the project on Android platform;
3. Open the built project in the device and click a button "Maak remote" until Unity freezes;

Actual result: Unity freezes.
Expected result: Unity should not freeze.

Note: Unity freezes because in Start() function is set VRSettings.enabled = false; It is not necessary to click a button, you just can wait a little bit and see that Unity freezes. Unity freezes with 7.0 and higher OS version.

Reproduced with: 5.6.0b8, 5.6.0p3, 2017.1.0b2
Not reproducible with: 5.5.3p1, 5.6.0a1
Regression introduced in 5.6 beta

DUT:

Verizon SM G930V (Galaxy S7 Verizon), OS:7.0, CPU:arm64-v8a, GPU:Adreno (TM) 530, Build:Verizon/heroqltevzw/heroqltevzw:7.0/NRD90M/G930VVRU4BQA2:user/release-keys (Reproduced)

Google Pixel XL OS:7.1, CPU:2150MHz 4x Qualcomm Kyro 100, GPU:Adreno 530 (Reproduced)

Samsung SM G903F (Galaxy S5 Neo), OS:6.0.1, CPU:armeabi-v7a, GPU:Mali-T720, Build:samsung/s5neoltexx/s5neolte:6.0.1/MMB29K/G903FXXU1BQC1:user/release-keys (Not reproduced)