Merge tag 'android-9.0.0_r21' into lineage-16.0-android-9.0.0_r21

Android 9.0.0 release 21

* tag 'android-9.0.0_r21':
  Version bump to PQ1A.181205.006
  Version bump to PQ1A.181205.005
  Version bump to PQ1A.181205.004
  Version bump to PQ1A.181205.003
  Version bump to PQ1A.181205.002
  [DO NOT MERGE]Update Security String to 2018-12-05 for December release bug: 117667960 (cherry picked from commit 1e6d1d60)
  [DO NOT MERGE] Update Security String to 2018-12-01 for December Release bug:117667960 (cherry picked from commit d6edd212)

Change-Id: Ifeaed8624e74ce49a36db727e27178a126b302ea