[TIMOB-13002] (3_2_X): enforce popping up keyboard

Backport for #5251

https://jira.appcelerator.org/browse/TIMOB-13002
For FR, please run KS and Anvil to make sure no new regressions. The test case seems only fail on Droid Razr 2.3.5, so we need Eduardo Gomez to help with testing.