Settings: Allow access for external apps to launch ThemeSettings Fragment directly

Change-Id: I93b676d3eb570c7064eeb4217c8e420a186c8e32

Conflicts:
	AndroidManifest.xml
	src/com/android/settings/Settings.java
Settings: add TEME_SETTINGS intent and SHORTCUT category to
ThemeSettings intent

Change-Id: Ie5d8c401adc612502ff1db27fa4861a27d876a41
Signed-off-by: Roman Birg <roman@cyngn.com>
Merge branch 'halo' of https://github.com/xjcook/android_packages_apps_Settings into halo

Conflicts:
	AndroidManifest.xml

Change-Id: I5a757d36848f2498fd8be5b38665218eaed746eb