Add /system/product search path for avbpubkeys

When there is no product-partition, the Realpath-check will fail when
looking for abvpubkeys in /product/etc/security/apex/.
Add the search path /system/product/etc/security/apex/ to avoid this.

Bug: 127690808
Test: manual - verify that the APEX is mounted
Change-Id: Ic08a0caab740fe113c4058f856c30df913fac2f3
1 file changed
tree: 4691f030b44b90895d59df1faa5f6049cddd9479
  1. apexd/
  2. apexer/
  3. proto/
  4. tests/
  5. OWNERS
  6. PREUPLOAD.cfg
  7. TEST_MAPPING