Adds a new DownstreamFormatChangedEvent class to be used when sending data between MediaStreamHandler and the 5GMSd Aware Application (#18)

Author: dsilhavy

app/build.gradle

@@ -62,6 +62,7 @@ dependencies {
     implementation 'androidx.core:core-ktx:1.7.0'
     implementation 'androidx.appcompat:appcompat:1.6.1'
     implementation 'com.google.android.material:material:1.8.0'
+    implementation "androidx.media3:media3-exoplayer:1.0.2"
     testImplementation 'junit:junit:4.13.2'
     androidTestImplementation 'androidx.test.ext:junit:1.1.5'
     androidTestImplementation 'androidx.test.espresso:espresso-core:3.5.1'

app/src/main/java/com/fivegmag/a5gmscommonlibrary/eventbus/MediaStreamHandlerMessageEvents.kt

@@ -0,0 +1,4 @@
+package com.fivegmag.a5gmscommonlibrary.eventbus
+import androidx.media3.exoplayer.source.MediaLoadData
+
+class DownstreamFormatChangedEvent(val mediaLoadData: MediaLoadData)