Merge "Fix C compatibility in AMidi.h." into tm-dev-plus-aosp am: d34388f8fd am: 40e392c2cc am: c190af8aab

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/19441167

Change-Id: Iae7282dd4e89de387c45adff883bc092d0229148
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>
diff --git a/media/native/midi/include/amidi/AMidi.h b/media/native/midi/include/amidi/AMidi.h
index fbb7fb3..2b31703 100644
--- a/media/native/midi/include/amidi/AMidi.h
+++ b/media/native/midi/include/amidi/AMidi.h
@@ -66,7 +66,7 @@
  *
  * Introduced in API 33.
  */
-enum AMidiDevice_Protocol : int32_t {
+typedef enum AMidiDevice_Protocol : int32_t {
     /**
      * Constant representing a default protocol with Universal MIDI Packets (UMP).
      * UMP is defined in "Universal MIDI Packet (UMP) Format and MIDI 2.0 Protocol" spec.
@@ -131,7 +131,7 @@
      * MIDI-CI is defined in "MIDI Capability Inquiry (MIDI-CI)" spec.
      */
     AMIDI_DEVICE_PROTOCOL_UNKNOWN = -1
-};
+} AMidiDevice_Protocol;
 
 /*
  * Device API