[TIMOB-25667] Android: Added TableView "scrollable" property support

[jquick-axway]

JIRA: https://jira.appcelerator.org/browse/TIMOB-25667

Test:

1. Build and run the below code on an Android device.
2. Verify that you can scroll the TableView up/down.
3. Tap the "Disable Scrolling" button in the bottom-right corner.
4. Verify that you cannot scroll the TableView.
5. Tap the "Enable Scrolling" button in the bottom-right corner.
6. Verify that you can scroll the TableView up/down.

var window = Ti.UI.createWindow();
var tableData = [];
for (var index = 1; index <= 100; index++) {
	var row = Ti.UI.createTableViewRow({ title: "Row " + index.toString() });
	tableData.push(row);
}
var tableView = Ti.UI.createTableView(
{
	data: tableData,
	scrollable: true,
});
window.add(tableView);
function createButtonText() {
	return tableView.scrollable ? "Disable Scrolling" : "Enable Scrolling";
}
var button = Ti.UI.createButton(
{
	title: createButtonText(),
	right: "5dp",
	bottom: "5dp",
});
button.addEventListener("click", function(e) {
	tableView.scrollable = !tableView.scrollable;
//	tableView.setScrollable(!tableView.getScrollable());
	button.title = createButtonText();
});
window.add(button);
window.open();

[garymathews]

CR: PASS

[garymathews]

@jquick-axway Test case needs updating

[lokeshchdhry]

FR Passed.

Tableview's scrollable property works as expected.

Studio Ver: 5.1.0.201804230827
SDK Ver: 7.2.0 local build
OS Ver: 10.13.4
Xcode Ver: Xcode 9.3
Appc NPM: 4.2.13
Appc CLI: 7.0.3
Daemon Ver: 1.1.1
Ti CLI Ver: 5.1.0
Alloy Ver: 1.12.0
Node Ver: 8.9.1
NPM Ver: 5.5.1
Java Ver: 10
Devices: ⇨ google Nexus 5 --- Android 6.0.1
⇨ google Nexus 6P --- Android 8.0.0
Emulator: ⇨ Android 4.1.2

[build]

	Messages
📖	💾 Here's the generated SDK zipfile.

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