Steps to reproduce:
1. Open attached project "Ui bug.zip"
2. Build for Android with specific old device(s)
3. Tap the input field to activate keyboard
4. Notice that there's no way to actually input a decimal point

Expected: You should be able to input a decimal point, this being a decimal point type input field and all
Actual: You're only allowed to input numbers, but no decimal point

Reproduced on: 2017.3.0f2, 2017.2.0f1, 2017.1.2p4, 2017.1.0b9, 2017.1.0b7
Not Reproduced on: 5.6.4p4, 2017.1.0b5

Note: Building on 2017.1.0b1 crashed the device
Devices Under Test:
Repro:
Samsung GT I9105P (Galaxy S2+)*, OS:4.2.2, CPU:armeabi-v7a, GPU:VideoCore IV HW, Build:samsung/s2vepxx/s2vep:4.2.2/JDQ39/I9105PXXUBNG1:user/release-keys

Samsung GT I8190*, OS:4.1.2, CPU:armeabi-v7a, GPU:Mali-400 MP, Build:samsung/goldenxx/golden:4.1.2/JZO54K/I8190XXAMG4:user/release-keys

No repro
Htc HTC One mini 2*, OS:4.4.2, CPU:armeabi-v7a, GPU:Adreno (TM) 305, Build:htc/htc_europe/htc_memul:4.4.2/KOT49H/405590.2:user/release-keys

Amazon KFMEWI (Fire HD 8 (2015))*, OS:5.1.1, CPU:armeabi-v7a, GPU:PowerVR Rogue G6200, Build:Amazon/full_thebes/thebes:5.1.1/LVY48F/32.5.6.0_user_560177220:user/release-keys