libyuv: Add Android Testers

masters/master.tryserver.libyuv/slaves.cfg

Index: masters/master.tryserver.libyuv/slaves.cfg
diff --git a/masters/master.tryserver.libyuv/slaves.cfg b/masters/master.tryserver.libyuv/slaves.cfg
index 81145be9c159cff03762741a6a61804270625c21..a0c977cfc49d1c2e2d6538873ae19bd8439556a2 100644
--- a/masters/master.tryserver.libyuv/slaves.cfg
+++ b/masters/master.tryserver.libyuv/slaves.cfg
@@ -21,12 +21,9 @@ slaves = [
       'linux_tsan2',
       'linux_ubsan',
       'linux_ubsan_vptr',
-      'android',
-      'android_rel',
       'android_gn',
       'android_gn_rel',
       'android_clang',
-      'android_arm64',
       'android_x86',
       'android_x64',
       'android_mips',
@@ -34,7 +31,20 @@ slaves = [
     'hostname': 'slave%d-c4' % i,
   } for i in range(498, 500) + [139]
 ] + [
-  # Mac.
+  # Linux 64-bit machine with Android device connected.
+  {
+    'master': 'LibyuvTryServer',
+    'os': 'linux',
+    'version': 'trusty',
+    'bits': '64',
+    'builder': [
+      'android',
+      'android_rel',
+      'android_arm64',
+    ],
+    'hostname': 'build179-b4',
+  }
+] + [  # Mac.
   {
     'master': 'LibyuvTryServer',
     'os': 'mac',