Merge tag 'android-9.0.0_r46' into staging/lineage-16.0_merge-android-9.0.0_r46

Android 9.0.0 Release 46 (PQ3A.190801.002)

* tag 'android-9.0.0_r46':
  Version bump to PQ3A.190801.002 [core/build_id.mk]
  Update Security String from 08-05 to 2019-08-01 Bug:126590667
  Update Security String to 2019-08-05 Bug:126590667 (cherry picked from commit a3e1c57a)

Change-Id: I1b334e6ea50dd783c96833847dc83c27612a07cb