style(android): apply ktlint to the ffmpeg audio csd code

The Native Formatting lane rejects the unbraced multiline if/else in
FfmpegExtractor and the wrapped expression body in FfmpegAudioCsdTest.

android/app/src/main/kotlin/com/edde746/plezy/exoplayer/FfmpegExtractor.kt

@@ -340,8 +340,11 @@ internal class FfmpegExtractor private constructor(
         // extradata is only correct for video (already Annex-B via the JNI
         // bitstream filter) and text tracks.
         builder.setInitializationData(
-          if (trackType == C.TRACK_TYPE_AUDIO) FfmpegAudioCsd.initializationData(mime, extradata)
-          else listOf(extradata)
+          if (trackType == C.TRACK_TYPE_AUDIO) {
+            FfmpegAudioCsd.initializationData(mime, extradata)
+          } else {
+            listOf(extradata)
+          }
         )
       }
 

android/app/src/test/kotlin/com/edde746/plezy/exoplayer/FfmpegAudioCsdTest.kt

@@ -61,8 +61,7 @@ class FfmpegAudioCsdTest {
     return bytes.toByteArray()
   }
 
-  private fun vorbisHeader(type: Int, payloadLength: Int): ByteArray =
-    byteArrayOf(type.toByte()) + "vorbis".toByteArray(Charsets.US_ASCII) + ByteArray(payloadLength)
+  private fun vorbisHeader(type: Int, payloadLength: Int): ByteArray = byteArrayOf(type.toByte()) + "vorbis".toByteArray(Charsets.US_ASCII) + ByteArray(payloadLength)
 
   @Test
   fun vorbisSplitsLacedHeadersIntoIdentificationAndSetup() {