Mark the testing-purpose apex keys as non-installable

By marking them with 'installable: false' they are bundled with the
corresponding APEXes.

Bug: 122047804
Test: atest under /system/apex
Change-Id: I1145493c52b489c80676c02a582f13d19afc1836
4 files changed
tree: 74d6e6d618176b0c8307c8d5652423b44ecdb1a4
  1. apexd/
  2. apexer/
  3. proto/
  4. tests/
  5. OWNERS
  6. PREUPLOAD.cfg