To reproduce:

1. Download and open attached "TestUnityIAP.zip" project.
2. Build and run on any Android device.
3. Check device logs via ADB logcat.

Expected result: There are no exceptions in Logcat logs.
Actual result: NotSupportedException appears.

Reproduced with: 2018.2.0a1, 2018.1.0b8, 2017.3.1p1, 2017.2.1p4
* In 2018 versions application crashes on startup. On 2017.1.3p1 build fails with errors.

Devices under test:

Google Pixel 2 XL*, OS:8.1.0, CPU:arm64-v8a, GPU:Adreno (TM) 540,
Build:google/taimen/taimen:8.1.0/OPM1.171019.018/4518263:user/release-keys

Google Nexus 4*, OS:5.1.1, CPU:armeabi-v7a,
GPU:Adreno (TM) 320, Build:google/occam/mako:5.1.1/LMY48T/2237560:user/release-keys

Samsung SM G930F*, OS:7.0, CPU:arm64-v8a, GPU:Mali-T880,
Build:samsung/heroltexx/herolte:7.0/NRD90M/G930FXXU1DQJ3:user/release-keys

Notes: Issue does not reproduce with Mono scriting backend. Issue does not reproduce with Scripting Runtime Version set to .NET 3.5. Exception did not raise when tested on iPhone 7 (iOS 11.2.5).