fix(android): improved merge of <uses-feature/> elements

[jquick-axway]

JIRA:
https://jira.appcelerator.org/browse/TIMOB-27304

Summary:

• TIMOB-27304 Fixed so that Android setting <uses-feature/> required true in "tiapp.xml" should override false setting in libraries.
  • Merge is supposed to do a logical-OR on the "android:required" value.
• Added "tools:replace" attribute support to <uses-feature/>.
  • Allows overriding "android:required" to false if set true by library. (Only means of doing this.)

Test:

1. Create a Classic Titanium app project.
2. Add module "ti.barcode" to "tiapp.xml". (Download from here.)
3. Add module "ti.nfc" to "tiapp.xml". (Download from here.)
4. Add the <uses-feature/> settings in "tiapp.xml" as shown below.
5. Build for Android.
6. Open Mac's "Finder" window. (Or "Windows Explorer" on Windows.)
7. Go to project subdirectory: ./build/android
8. Open file "AndroidManifest.xml".
9. Verify following XML element has no "required" attribute or it is set true.
   <uses-feature android:name="android.hardware.camera"/>
10. Verify following XML element has "required" set to false.
    <uses-feature android:name="android.hardware.nfc" android:required="false"/>
11. Verify following XML element has "required" set to true.
    <uses-feature android:name="android.hardware.touchscreen" android:required="true"/>

tiapp.xml

<?xml version="1.0" encoding="UTF-8"?>
<ti:app xmlns:ti="http://ti.appcelerator.org">
	<android xmlns:android="http://schemas.android.com/apk/res/android">
		<manifest>
			<uses-feature android:name="android.hardware.camera" android:required="false"/>
			<uses-feature android:name="android.hardware.nfc" android:required="false" tools:replace="android:required"/>
			<uses-feature android:name="android.hardware.touchscreen" android:required="true"/>
		</manifest>
	</android>
	<modules>
		<module platform="android">ti.barcode</module>
		<module platform="android">ti.nfc</module>
	</modules>
</ti:app>

[build]

	Warnings
⚠️	🔍 Can't find junit reports at ./junit.*.xml, skipping generating JUnit Report.

	Messages
📖	✊ The commits in this PR match our conventions! Feel free to Rebase and Merge this PR when ready.

Generated by 🚫 dangerJS against a2f676d

[ypbnv]

CR: Pass!

[ssekhri]

FR passed. Correct value of elements in manifest file based on OR(ing) of values from all the involved xml files.
Env:
Mac OS 10.14.3
Ti SDK: 8.2.0.v20190802180802
Appc CLI: 7.1.0-24
Node: 8.16.0
JDK: 10.0.2