Fix two typos in RtpVp8Reader and test

PiperOrigin-RevId: 460662425
(cherry picked from commit 91855006)

library/rtsp/src/main/java/com/google/android/exoplayer2/source/rtsp/reader/RtpVp8Reader.java

@@ -36,7 +36,7 @@ import org.checkerframework.checker.nullness.qual.MonotonicNonNull;
 /* package */ final class RtpVp8Reader implements RtpPayloadReader {
   private static final String TAG = "RtpVP8Reader";
 
-  /** VP9 uses a 90 KHz media clock (RFC7741 Section 4.1). */
+  /** VP8 uses a 90 KHz media clock (RFC7741 Section 4.1). */
   private static final long MEDIA_CLOCK_FREQUENCY = 90_000;
 
   private final RtpPayloadFormat payloadFormat;

library/rtsp/src/test/java/com/google/android/exoplayer2/source/rtsp/reader/RtpVp8ReaderTest.java

@@ -39,7 +39,7 @@ import org.junit.runner.RunWith;
 @RunWith(AndroidJUnit4.class)
 public final class RtpVp8ReaderTest {
 
-  /** VP9 uses a 90 KHz media clock (RFC7741 Section 4.1). */
+  /** VP8 uses a 90 KHz media clock (RFC7741 Section 4.1). */
   private static final long MEDIA_CLOCK_FREQUENCY = 90_000;
 
   private static final byte[] PARTITION_1 = getBytesFromHexString("000102030405060708090A0B0C0D0E");
@@ -61,7 +61,7 @@ public final class RtpVp8ReaderTest {
       new RtpPacket.Builder()
           .setTimestamp(PARTITION_1_RTP_TIMESTAMP)
           .setSequenceNumber(40290)
-          .setMarker(false)
+          .setMarker(true)
           .setPayloadData(Bytes.concat(getBytesFromHexString("00"), PARTITION_1_FRAGMENT_2))
           .build();