SnapdragonCamera: Add system property to set EIS supported rate

By default, EIS is enabled with FPS <= 30. The maximum FPS
can be changed by setting persist.camcorder.eis.maxfps

Change-Id: I46ee1eee8121de0b5e5b1125b45d3a5f1a036461
CRs-Fixed: 1043548
1 file changed