Fix apex package retrieval on boot

There is no API to grab all the installed packages + apexes, so we make
two queries to package manager and merge the results together.

Bug: 163659952
Test: Manually installed new apex version and verified that the correct
apex version was retrieved
Merged-In: I751e2c7c8bbbd819f216821cbf4f0ec315c4563b

Change-Id: I9ca7b50647ff17af73daa9f1b5d08ea480a5f012
1 file changed
tree: b9b0940967438be72011e3ec123e452650969e6d
  1. aidl/
  2. apex/
  3. bin/
  4. framework/
  5. lib/
  6. service/
  7. tests/
  8. OWNERS