This includes the following fixes:
- remove potential qemud crash at system boot
- fix GPS fix emulation
- fix inter-emulator networking (DNS resolution helper now behaves correctly on all IPv6-capable systems)
- add -prop <name>=<value> option to add system properties on boot
- allow F5 keybinding for SEARCH on keyboard-less hardware configurations
- allow skins to provide a "search" button
- fixed bad QADD/QSUB/QDADD/QDSUB ARM CPU instructions emulation
Automated import of CL 149496
Note that this also fix a bug where the SD Card image was not properly locked in the previous implementation.
Allow the http-proxy support code to actually manage to receive chunked encoding data, instead of complaining needlessly.
Introduce a new CharBuffer object that is used indirectly by "-radio <hostdevice>" and "-gps <hostdevice>" options
Add new documentation for QEMUD and CharDriverState objects
Update the Audio documentation with ASCII graphics (because I'm an artist too)
BUG=1750126,1731936
Automated import of CL 144595
