WifiLogger: use R for ring buffer sizing

Use Resources to determine ring-buffer sizing.
This is to support board-specific ring-buffer
sizes.

BUG=29225988
TEST=unit tests
TEST=manual

Manual test (bullhead): Added some Log.e() statements,
and verified that RING_BUFFER_BYTE_LIMIT_SMALL and
RING_BUFFER_BYTE_LIMIT_LARGE were 32KB and 1024KB,
respectively.

Change-Id: I25ee7d871609c4ebe186424bfdd324a8283f43e3
4 files changed
tree: 99d5135f6881ac15b3a6821311e1c8d46a3fcb91
  1. libwifi_hal/
  2. libwifi_system/
  3. service/
  4. tests/