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Craig Mautner authored
The thumbnail returned from ActivityManager.getTaskThumbnail() now contains either a Bitmap or a ParcelFileDescriptor that points to a file containing a compressed Bitmap. The Recent tasks list is now responsible for all thumbnail Bitmap caching as the activity manager keeps only the most recent 5. This also permits low memory devices to have many more tasks in the Recent tasks list. As part of this CL the concept of subtasks is removed eliminating code supporting the TaskAccessInfo and IThumbnailRetriever classes. Fixes bug 15828934. Change-Id: I0fd0320a1a04e3c78d79357899b83a2fff97abf2
c0ffce5d
