Make nacl_sdk_build slaves run on all 'normal' bots.

masters/master.tryserver.chromium/slaves.cfg

Index: masters/master.tryserver.chromium/slaves.cfg
diff --git a/masters/master.tryserver.chromium/slaves.cfg b/masters/master.tryserver.chromium/slaves.cfg
index 4ad47ffe2eaa091162b5e01447f37e520fb5172c..04dd67cef9c0374ee737fb764b27fc90eda68c93 100644
--- a/masters/master.tryserver.chromium/slaves.cfg
+++ b/masters/master.tryserver.chromium/slaves.cfg
@@ -48,11 +48,13 @@ def linux():
     # One line per shared directory. In decreasing usage:
     'linux', 'linux_rel', 'linux_rel_naclmore', 'linux_clang',
     'linux_chromeos', 'linux_aura',
+    'linux_nacl_sdk_build',
 
     'blink_bare_presubmit',
 
     'tools_presubmit',
   ]
+
   # One of the extra configuration per VM.
   # First the ones barely used. By reducing the number of available slaves, we
   # increase the "cache locally" of having a checkout already recent on the
@@ -67,7 +69,6 @@ def linux():
     [['linux_redux'], 2],
     [['linux_heapcheck'], 2],
     [['linux_nacl_sdk'], 3],
-    [['linux_nacl_sdk_build'], 3],
     # These ones below are significantly used ones. They use all the remaining
     # slaves.
     [['linux_asan', 'linux_browser_asan'], -1],
@@ -234,7 +235,6 @@ def mac():
     # One line per shared directory:
     [['mac_valgrind'], 6],
     [['mac_nacl_sdk'], 6],
-    [['mac_nacl_sdk_build'], 6],
     # These ones below are significantly used ones. They use all the remaining
     # slaves.
     [['mac_chromium_dbg', 'mac_chromium_rel'], -1],
@@ -268,6 +268,7 @@ def mac():
           'mac_valgrind_alt',
           'mac_asan',
           'mac_nacl_sdk_alt',
+          'mac_nacl_sdk_build'
       ],
       'hostname': 'vm%d-m4' % i,
       'os': 'mac',
@@ -501,6 +502,7 @@ def windows():
       'builder': [
         'win', 'win_rel_naclmore', 'win_rel',
         'win_chromium_dbg', 'win_chromium_rel',
+        'win_nacl_sdk_build'
       ],
       'hostname': 'vm%d-m4' % number,
       'os': 'win',
@@ -522,7 +524,7 @@ def windows():
     {
       'master': 'TryServer',
       'builder': [
-        'win_nacl_sdk', 'win_nacl_sdk_build'
+        'win_nacl_sdk',
       ],
       'hostname': 'vm%d-m4' % number,
       'os': 'win',