Add a number of NULL pointer guards.

None of these are expected to actually be null, but those are
included for peace of mind and foolproofing against future
code changes.

Bug: 4580040
Change-Id: Ib112b3e5db5f177aaf61767164b7e78d711f90a0
3 files changed
tree: f61cd516e95f2590e9610c4ac2d0aea2ccc30359
  1. dictionaries/
  2. java/
  3. native/
  4. tests/
  5. tools/
  6. Android.mk
  7. CleanSpec.mk