Revert "Power menu into navring targets (1/2)"

This reverts commit 294b891c0a48ffb164a27f7343b0acbf0149023e.
Power menu into navring targets (1/2)

- This commit use the intent added here: 0efd698

The intent added in  core/java/android/content/Intent.java is called when power menu is choosed

Change-Id: Ifcf898ce7e3221fc67c18b2a54806ef344f68e7f