Fix CeaUtil's invalid SeiMessage skipping

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Created by MOE: https://github.com/google/moe
MOE_MIGRATED_REVID=185673454

library/core/src/main/java/com/google/android/exoplayer2/text/cea/CeaUtil.java

@@ -52,7 +52,7 @@ public final class CeaUtil {
       if (payloadSize == -1 || payloadSize > seiBuffer.bytesLeft()) {
         // This might occur if we're trying to read an encrypted SEI NAL unit.
         Log.w(TAG, "Skipping remainder of malformed SEI NAL unit.");
-        seiBuffer.setPosition(seiBuffer.limit());
+        nextPayloadPosition = seiBuffer.limit();
       } else if (payloadType == PAYLOAD_TYPE_CC && payloadSize >= 8) {
         int countryCode = seiBuffer.readUnsignedByte();
         int providerCode = seiBuffer.readUnsignedShort();