Reproduction steps:
1) Download and open user's attached project
2) Build and run "Test.unity" scene on an Android device
-- Notice that it crashes

Also, you can easily reproduce this issue on an empty project:
1) Create new project
2) Add terrain to the scene
3) Build and run created scene on an Android device
-- It will crash the same way as the attached project

Regression introduced in 2017.3.0a7

Unable to reproduce with 2017.3.0a6
Reproduced with: 2017.3.0a7, 2017.3.0p3, 2018.1.0b4

Devices under testing:
Reproduced with:
Motorola Moto X, Android 5.1
HTC One mini 2, Android 4.4.2
LG Nexus 5, Android 6.0.1
SonyExperia Z2 Tablet, Android 6.0

Unable to reproduce with:
Samsung Galaxy S7, Android 7.0 (both Snapdragon and Exynos)
Google Pixel, Android 8.0
Samsung Galaxy Note 8, Android 7.1.1