Move field names to camelCase for consistency with protobuf.

Protobuf saves the field names in camelCase. To avoid converting to and
from camelCase, using consistent field names for apex manifest schema.

Bug: 121546801

Test: mmma system/apex
      out/host/linux-x86/testcases/apex_file_test/x86/apex_file_test
      out/host/linux-x86/testcases/apex_manifest_test/x86/apex_manifest_test

Change-Id: Iffaa099d5bff100e09c41eab3d3e9af15dfbad53
10 files changed
tree: 2562c374313274a66c99aceb818bad70be8458bc
  1. apexd/
  2. apexer/
  3. proto/
  4. tests/
  5. OWNERS
  6. PREUPLOAD.cfg