Revert "Alternate default app picker (1/2)"

This reverts commit 4f3bb312d54b4e9272e231afabe686f9363200f2.

Conflicts:
	core/java/android/provider/Settings.java
[1/2] Base: Reverse default app picker behaviour

Conflicts:
	core/java/android/provider/Settings.java

Change-Id: Ia822fa04029b057ad94bda3cbdbfb620f354a85a
Fix share dialog FC

The registerContentObserver requires a permission the share dialog doesn't have. It isn't needed anyway so remove it.
Reversed default app picker: fix FC

when selecting an app to select the whatsapp profile photo, whatsapp FCd.