GN(android) Fix oscilloscope crash in webaudio on arm64

third_party/WebKit/Source/config.gni

Index: third_party/WebKit/Source/config.gni
diff --git a/third_party/WebKit/Source/config.gni b/third_party/WebKit/Source/config.gni
index 6d584ff36caa39d008ddeac66db4907c216d4453..9f21023230f848b48975e91ed58cdf2b4a5aff87 100644
--- a/third_party/WebKit/Source/config.gni
+++ b/third_party/WebKit/Source/config.gni
@@ -25,15 +25,13 @@ declare_args() {
   blink_asserts_off_in_release = false
 }
 
-# Whether Android ARM or x86 build uses OpenMAX DL FFT. Currently only
-# supported on Android ARMv7+, ia32 or x64 without webview. When enabled, this
-# will also enable WebAudio support on Android ARM, ia32 and x64. Default is
-# enabled. Whether WebAudio is actually available depends on runtime settings
-# and flags.
+# Whether Android build uses OpenMAX DL FFT. Currently supported only on
+# ARMv7+, ARM64, x86 or x64 without webview. Also enables WebAudio support.
+# Whether WebAudio is actually available depends on runtime settings and flags.
 use_openmax_dl_fft =
-    is_android &&
-    (current_cpu == "x86" || current_cpu == "x64" ||
-     (current_cpu == "arm" && arm_version >= 7) || current_cpu == "mipsel")
+    is_android && (current_cpu == "x86" || current_cpu == "x64" ||
+                   (current_cpu == "arm" && arm_version >= 7) ||
+                   current_cpu == "arm64" || current_cpu == "mipsel")
 
 use_webaudio_ffmpeg = !is_mac && !is_android