Move log formatting to BL executor subclasses

Device-side executor can't use Java 8 String.join() method, so
use different implementations of log formatting between host- and
device-side

bug: 119277392
Test: manual (cp to pi-dev)
Change-Id: Idd32cf5fe1d31de21dea447fbf8b253e2f0e39f6
2 files changed
tree: 4c44d02e8162e4a5319a53927cdb00d670c51b92
  1. common/
  2. tools/
  3. Android.mk
  4. test_defs.sh