Steps to reproduce:
1. Start a new project
2. Add an InputField object
3. Switch to Android and build and run to device
4. Tap on InputField and write something, then deselect
5. Tap on InputField again
6. Notice that the text is not highlighted

Expected result: InputFields no longer highlight text when selected

Reproduced in: 2018.3.0a1, 2018.2.0b10, 2018.1.6f1, 2018.1.0a5
Not reproduced in: 2018.1.0a4, 2017.4.6f1, 2017.3.2f1
Regression since: 2018.1.0a5

Tested devices:
Htc HTC 10*, OS:7.0, CPU:arm64-v8a, GPU:Adreno (TM) 530
Motorola Moto G (4)*, OS:7.0, CPU:armeabi-v7a, GPU:Adreno (TM) 405
Samsung SM G903F*, OS:6.0.1, CPU:armeabi-v7a, GPU:Mali-T720
iPad Mini 2 iOS 9.2.1