save opened audio sessions even isGlobalEnabled is false

Players boardcast the open event when an audio session is opened.
MusicFX need to save the audio session ID for the future usage even
isGlobalEnabled is false.

Bug: 208586226
Test: mm MusicFX
Change-Id: I04bb45ca7b5359760cb35f108a0fdae7b1634535
1 file changed
tree: 71942319fa4370d51e95e5d52c1ef32657668c1f
  1. res/
  2. src/
  3. Android.bp
  4. AndroidManifest.xml
  5. OWNERS