Camera2 legacy: Improve robustness to camera service crashes

When the camera service dies, the getParameters call is often the first
to fail, and on legacy mode, this frequently happens in a background thread.
Catch the runtime exceptions and convert to device errors, instead of killing
the process.

Bug: 17587496

Change-Id: I6757961e7c0387defd368a13cb7c343950602400
2 files changed