Larger size of test chirp

We should cover plugins with greater delays.

Bug: None
Test: None
Change-Id: I6ffcc83c0dbef55fd2f1f7eea8731f1b5d6b5ca2
Reviewed-on: https://chromium-review.googlesource.com/996233Reviewed-by: Kenneth MacKay <kmackay@chromium.org>
Commit-Queue: Michael Montvelishsky <mont@chromium.org>
Cr-Commit-Position: refs/heads/master@{#548130}

chromecast/media/cma/backend/post_processors/post_processor_unittest.cc

@@ -61,7 +61,7 @@ void TestDelay(AudioPostProcessor2* pp,
   EXPECT_TRUE(pp->SetSampleRate(sample_rate));
 
   const int num_output_channels = pp->NumOutputChannels();
-  const int test_size_frames = kBufSizeFrames * 10;
+  const int test_size_frames = kBufSizeFrames * 100;
   std::vector<float> data_in = LinearChirp(
       test_size_frames, std::vector<double>(num_input_channels, 0.0),
       std::vector<double>(num_input_channels, 1.0));