Use int32_t instead of ssize_t

AIDL uses int32_t for ints on all platform but the size of ssize_t
depends on the architecture.
Use int32_t everywhere instead.

Bug: 27831222
Test: Compiles on arm64.

Change-Id: I14062b2efae9aa396254c82410c68d478a2e85cd
1 file changed
tree: 4e9e3195d45454aff8086ce5d63736ceeeb0e7c0
  1. client/
  2. common/
  3. daemon/
  4. example/
  5. hal/
  6. include/
  7. ipc/
  8. Android.mk
  9. MODULE_LICENSE_APACHE2
  10. NOTICE
  11. README