Remove the unused `receive_timestamp` arg to NetEq::InsertPacket

The implementation just ignores the provided timestamp, and gets the
time from the current clock instead.

Bug: webrtc:11028
Change-Id: I7a1fee36bef862c68d8f15fd19ee53b2bbb25892
Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/156164
Commit-Queue: Karl Wiberg <kwiberg@webrtc.org>
Reviewed-by: Ivo Creusen <ivoc@webrtc.org>
Cr-Commit-Position: refs/heads/master@{#29434}
diff --git a/modules/audio_coding/neteq/include/neteq.h b/modules/audio_coding/neteq/include/neteq.h
index 0224b37..c6af751 100644
--- a/modules/audio_coding/neteq/include/neteq.h
+++ b/modules/audio_coding/neteq/include/neteq.h
@@ -153,13 +153,17 @@
 
   virtual ~NetEq() {}
 
-  // Inserts a new packet into NetEq. The |receive_timestamp| is an indication
-  // of the time when the packet was received, and should be measured with
-  // the same tick rate as the RTP timestamp of the current payload.
+  // Inserts a new packet into NetEq.
   // Returns 0 on success, -1 on failure.
   virtual int InsertPacket(const RTPHeader& rtp_header,
-                           rtc::ArrayView<const uint8_t> payload,
-                           uint32_t receive_timestamp) = 0;
+                           rtc::ArrayView<const uint8_t> payload) = 0;
+
+  // Deprecated. Use the version without the `receive_timestamp` argument.
+  int InsertPacket(const RTPHeader& rtp_header,
+                   rtc::ArrayView<const uint8_t> payload,
+                   uint32_t /*receive_timestamp*/) {
+    return InsertPacket(rtp_header, payload);
+  }
 
   // Lets NetEq know that a packet arrived with an empty payload. This typically
   // happens when empty packets are used for probing the network channel, and