binder: transaction latency tracking for user build

[Frankie Chang]

Frankie.Chang (3):
  binder: move structs from core file to header file
  binder: add trace at free transaction.
  binder: add transaction latency tracer

 drivers/android/Kconfig                 |   8 +
 drivers/android/Makefile                |   1 +
 drivers/android/binder.c                | 408 +----------------------
 drivers/android/binder_internal.h       | 416 ++++++++++++++++++++++++
 drivers/android/binder_latency_tracer.c | 105 ++++++
 drivers/android/binder_trace.h          |  47 +++
 6 files changed, 581 insertions(+), 404 deletions(-)
 create mode 100644 drivers/android/binder_latency_tracer.c