PreferenceActivity should not be exported

Fragment injection gives anyone who can send your PreferenceActivity an intent the ability to load any fragment, with any arguments, in your process.

Issue id: ExportedPreferenceActivity

http://securityintelligence.com/new-vulnerability-android-framework-fragment-injection

https://goo.gle/ExportedPreferenceActivity

Inspection Details
Available in:	IntelliJ IDEA 2023.3, Qodana for Android 2023.3, Qodana for JVM 2023.3
Plugin:	Android, 2022.3.1 Beta 2

Last modified: 13 July 2023