Revert of Disable failing modules_unittests for UBSan.

webrtc/modules/audio_processing/audio_processing_unittest.cc

Index: webrtc/modules/audio_processing/audio_processing_unittest.cc
diff --git a/webrtc/modules/audio_processing/audio_processing_unittest.cc b/webrtc/modules/audio_processing/audio_processing_unittest.cc
index a5b293eb1820b569ee4f88fb191696209586f7d0..ded75c8652079e4c2a523f98a5f2ace80c1d0ce3 100644
--- a/webrtc/modules/audio_processing/audio_processing_unittest.cc
+++ b/webrtc/modules/audio_processing/audio_processing_unittest.cc
@@ -1847,35 +1847,17 @@
   remove(limited_filename.c_str());
 }
 
-// Disabled for UBSan: https://bugs.chromium.org/p/webrtc/issues/detail?id=5820
-#ifdef UNDEFINED_SANITIZER
-#define MAYBE_VerifyDebugDumpInt DISABLED_VerifyDebugDumpInt
-#else
-#define MAYBE_VerifyDebugDumpInt VerifyDebugDumpInt
+TEST_F(ApmTest, VerifyDebugDumpInt) {
+  VerifyDebugDumpTest(kIntFormat);
+}
+
+TEST_F(ApmTest, VerifyDebugDumpFloat) {
+  VerifyDebugDumpTest(kFloatFormat);
+}
 #endif
-TEST_F(ApmTest, MAYBE_VerifyDebugDumpInt) {
-  VerifyDebugDumpTest(kIntFormat);
-}
-
-// Disabled for UBSan: https://bugs.chromium.org/p/webrtc/issues/detail?id=5820
-#ifdef UNDEFINED_SANITIZER
-#define MAYBE_VerifyDebugDumpFloat DISABLED_VerifyDebugDumpFloat
-#else
-#define MAYBE_VerifyDebugDumpFloat VerifyDebugDumpFloat
-#endif
-TEST_F(ApmTest, MAYBE_VerifyDebugDumpFloat) {
-  VerifyDebugDumpTest(kFloatFormat);
-}
-#endif
 
 // TODO(andrew): expand test to verify output.
-// Disabled for UBSan: https://bugs.chromium.org/p/webrtc/issues/detail?id=5820
-#ifdef UNDEFINED_SANITIZER
-#define MAYBE_DebugDump DISABLED_DebugDump
-#else
-#define MAYBE_DebugDump DebugDump
-#endif
-TEST_F(ApmTest, MAYBE_DebugDump) {
+TEST_F(ApmTest, DebugDump) {
   const std::string filename =
       test::TempFilename(test::OutputPath(), "debug_aec");
   EXPECT_EQ(apm_->kNullPointerError,
@@ -1908,13 +1890,7 @@
 }
 
 // TODO(andrew): expand test to verify output.
-// Disabled for UBSan: https://bugs.chromium.org/p/webrtc/issues/detail?id=5820
-#ifdef UNDEFINED_SANITIZER
-#define MAYBE_DebugDumpFromFileHandle DISABLED_DebugDumpFromFileHandle
-#else
-#define MAYBE_DebugDumpFromFileHandle DebugDumpFromFileHandle
-#endif
-TEST_F(ApmTest, MAYBE_DebugDumpFromFileHandle) {
+TEST_F(ApmTest, DebugDumpFromFileHandle) {
   FILE* fid = NULL;
   EXPECT_EQ(apm_->kNullPointerError, apm_->StartDebugRecording(fid, -1));
   const std::string filename =