Use -Werror in pdk/apps/HelloPDK/jni

Bug: 66996870
Test: build with WITH_TIDY=1
Change-Id: I51ca69be31f03ebce5f1af5e5ae46e7c9f3683b8
1 file changed
tree: 5c53db983e5c972ad0115d4be20d3590f9a015ea
  1. apps/
  2. build/
  3. util/
  4. .gitignore
  5. README