MusicFX: Android O porting

Merge branch android_ui.lnx.2.1-dev into android_ui.lnx.2.9.1-rel

Change-Id: I6c4e84c2d05070e4998da05092e5c7eec814d469
CRs-Fixed: 2021015
tree: b47a143470dbb353319c41d0093f7cf2ec212cde
  1. res/
  2. src/
  3. Android.mk
  4. AndroidManifest.xml