Break apart queries to getInstalled* API
To avoid blowing past the Binder IPC limit, change the PackageManagerService to have a DB-like interaction where the client tells the service the last "row" that it read. The fact that we use a HashMap instead of a TreeMap makes this problematic. For now we're just making a new ArrayList for the keys and then sorting them for each call. This can make the API slower for callers of this, but it's probably greatly overshadowed by the cost of the data transfer itself. Bug: 4064282 Change-Id: Ic370fd148d4c3813ae4f2daffa1a7c28d63d5a09
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