Rollback to strict audio codec tests for libopus on android (neon).

This a revert of the manual accommodation done in [1].
The lenient tests are no longer needed since a proper libopus fix [2]
has been rolled in [3].

[1] https://webrtc-review.googlesource.com/c/src/+/148700
[2] https://chromium-review.googlesource.com/c/chromium/src/+/1785648
[3] https://webrtc-review.googlesource.com/c/src/+/151721/

Bug: webrtc:9995, chromium:986727
Change-Id: I7f64a45ccbe2c4d985ba663cf77c6fa0efebd528
Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/151781
Reviewed-by: Henrik Lundin <henrik.lundin@webrtc.org>
Commit-Queue: Yves Gerey <yvesg@google.com>
Cr-Commit-Position: refs/heads/master@{#29089}
diff --git a/modules/audio_coding/neteq/neteq_unittest.cc b/modules/audio_coding/neteq/neteq_unittest.cc
index 0db6fc7..b1ec216 100644
--- a/modules/audio_coding/neteq/neteq_unittest.cc
+++ b/modules/audio_coding/neteq/neteq_unittest.cc
@@ -485,23 +485,16 @@
   const std::string maybe_sse =
       "6b602683ca7285a98118b4824d72f4257952c18f|"
       "eb0b68bddcac00fc85403df64f83126f8ea9bc93";
-  // The neon implementation may differ.
-  const std::string maybe_neon =
-      "f95f2a220c9ca5d60b81c4653d46e0de2bee159f|"
-      "63651b8cc7711a66c9491d6b6ce94b774b64a0ce";
   const std::string output_checksum = PlatformChecksum(
-      maybe_sse, maybe_neon, "6f288a03d34958f62496f18fa85655593eef4dbe",
-      maybe_sse, maybe_sse);
+      maybe_sse, "f95f2a220c9ca5d60b81c4653d46e0de2bee159f",
+      "6f288a03d34958f62496f18fa85655593eef4dbe", maybe_sse, maybe_sse);
 
-  // The neon implementation may differ.
-  const std::string stats_maybe_neon =
-      "a71dce66c7bea85ba22d4e29a5298f606f810444|"
-      "6b8c29e39c82f5479f59726744d0cf3e88e725d3";
-  const std::string network_stats_checksum = PlatformChecksum(
-      "87d2d3e5ca7f1b3fb7a501ffaa51ae29aea74544", stats_maybe_neon,
-      "c876f2a04c4f0a91da7f084f80e87871b7c5a4a1",
-      "87d2d3e5ca7f1b3fb7a501ffaa51ae29aea74544",
-      "87d2d3e5ca7f1b3fb7a501ffaa51ae29aea74544");
+  const std::string network_stats_checksum =
+      PlatformChecksum("87d2d3e5ca7f1b3fb7a501ffaa51ae29aea74544",
+                       "6b8c29e39c82f5479f59726744d0cf3e88e725d3",
+                       "c876f2a04c4f0a91da7f084f80e87871b7c5a4a1",
+                       "87d2d3e5ca7f1b3fb7a501ffaa51ae29aea74544",
+                       "87d2d3e5ca7f1b3fb7a501ffaa51ae29aea74544");
 
   DecodeAndCompare(input_rtp_file, output_checksum, network_stats_checksum,
                    absl::GetFlag(FLAGS_gen_ref));