tree c534de1e4024b90686b59dce9e2f2c140fbbb5c8
parent ac4078687ff889e804b198bf5748e611bbb0fa30
author Adam Powell <adamp@google.com> 1326425053 -0800
committer Adam Powell <adamp@google.com> 1328651241 -0800

Add app navigation helper code to the support library.

Add TaskStackBuilder for synthesizing back stacks for cross-task
navigation on Android 3.0 and newer.

Add NavUtils for general navigation helper code.

Add NotificationCompat.Builder as a partial backport of Android 3.0's
Notification.Builder. (It does not currently support progress
notifications.)

Change-Id: I2d7d4dab3dd26e34f6b2210d0f0f3909f2162d6f