nit: Add @AudioDeviceType IntDef to enhance type check

Improves the lint check and code auto completion.

Bug: b/366456864
Change-Id: I20acb3c162e47d0bc43585637e2ae2bb7a02123e
Flag: EXEMPT internal cleanup
Test: NONE
1 file changed
tree: 9aa9ad6921e556169bf8b4d9b304893c99ef7e22
  1. res/
  2. src/
  3. Android.bp
  4. AndroidManifest.xml
  5. OWNERS