Merge "[aapt2] Parse --feature-flags parameter values" into main am: 21bbfb8754

Original change: https://android-review.googlesource.com/c/platform/frameworks/base/+/2813074

Change-Id: Iaf2ce67ed91d09e587a8e367349d3510e25e72cf
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>