[TIMOB-26458] Android textfield.focus() is not working

 Using 7.4.0.GA android textfield.focus() is not working. After running the app, the cursor blinks perfectly but Keypad is not getting popped up. *Test Environments:* Appcelerator Command-Line Interface, version 7.0.6 Operating System Name = Mac OS X Version = 10.13.6 Architecture = 64bit CPUs = 4 Memory = 8589934592 Node.js Node.js Version = 8.9.1 npm Version = 5.5.1 Titanium CLI CLI Version = 5.1.1 Titanium SDK SDK Version = 7.4.0.GA Device: Huawei y9 2018(Android 8),Huawei GR3 (Android 7) *Test Steps:* 1. Open studio 2. Paste the sample code and run 3. After running observe that ,the cursor blinks perfectly but Keypad is not getting popped up. *Test code:* *index.js*

function winFocus(e) {//winFocus is called on onOpen event
if (OS_IOS) {
$.amountValue.focus();
} else {
$.amountValue.focus();
// $.amountValue.softKeyboardOnFocus = Titanium.UI.Android.SOFT_KEYBOARD_SHOW_ON_FOCUS;
}
}

$.WindowClass.open();

*index.xml*

<Alloy>
	<Window id="makePaymentWin" id="WindowClass" onOpen="winFocus">
		<TextField id="amountValue" class="valueText" ></TextField>
	</Window>
</Alloy>

*index.tss*

"#amountValue":{
maxLength: 6,
// height: '30',
width:'80%',
bottom: '0',
focusable: true,
returnKeyType: Titanium.UI.RETURNKEY_DONE
}
".valueText": {
top: '0',
left: '0',
width: Ti.UI.FILL,
height: Titanium.UI.SIZE,
//color: Alloy.Globals.Styles.Colors.plainText,
keyboardType: Titanium.UI.KEYBOARD_TYPE_DECIMAL_PAD,
backgroundColor: "transparent",
backgroundImage: "transparent"
}

*Test Result:*. See the attachment section.