QwertyKeyListener: Add support for www and .com key

Add support for www and .com key on devices with physical keyboards.
This code is identical to what was present in ICS.

Change-Id: I55e6c248959e0a0657bbd8e3840470ae7adbd8ed
Revert "Download: add to support pause/resume download by manual"

This reverts commit b61c2043eb702617ed0322251d50d66b2496c119.
[1/2] Base: DownloadManager: add support pause/resume/stop notifications

Add pause, resume and stop functions to make user can pause, resume and stop downloads by manual in downloads application.

Change-Id: I82ffff5a539448faab8933e2b47591199bf24cb9

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

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