Roll FFMpeg for M26. Fix ffmpeg float audio decoding.

media/filters/audio_file_reader_unittest.cc

Index: media/filters/audio_file_reader_unittest.cc
diff --git a/media/filters/audio_file_reader_unittest.cc b/media/filters/audio_file_reader_unittest.cc
index dc0669f2a255e56c155f51df516fd47d1b15613d..f29a5c5b1f420a2a730c9f49dce133c50ee90bd5 100644
--- a/media/filters/audio_file_reader_unittest.cc
+++ b/media/filters/audio_file_reader_unittest.cc
@@ -84,12 +84,12 @@ TEST_F(AudioFileReaderTest, InvalidFile) {
 }
 
 TEST_F(AudioFileReaderTest, WithVideo) {
-  RunTest("bear.ogv", "302e1773ba2f9a194c35a0f8f0b73f15", 2, 44100,
+  RunTest("bear.ogv", "3251faa24f300b661a38103cfabefdfe", 2, 44100,
           base::TimeDelta::FromMicroseconds(1011520), 44608, 44608);
 }
 
 TEST_F(AudioFileReaderTest, Vorbis) {
-  RunTest("sfx.ogg", "2b84ad6d605abba1125c0dacc9c8dbdd", 1, 44100,
+  RunTest("sfx.ogg", "ce722bf840acc7626b66559d820aced7", 1, 44100,
           base::TimeDelta::FromMicroseconds(350001), 15435, 15435);
 }
 
@@ -113,7 +113,7 @@ TEST_F(AudioFileReaderTest, MP3) {
 }
 
 TEST_F(AudioFileReaderTest, AAC) {
-  RunTest("sfx.m4a", "d4d3207758d1e8cb0aa176ff77fa6932", 1, 44100,
+  RunTest("sfx.m4a", "0ce73ca393bb45672d2daec56979aa3d", 1, 44100,
           base::TimeDelta::FromMicroseconds(312001), 13759, 13312);
 }
 #endif