Update NaCl ARM build flags now that gcc used as default compiler.

ppapi/ppapi_untrusted.gyp

Index: ppapi/ppapi_untrusted.gyp
diff --git a/ppapi/ppapi_untrusted.gyp b/ppapi/ppapi_untrusted.gyp
index a0b0f053f8cf17b005ad655a763a3f2c0c197897..3e19759627f0f64b6af3f65bc2005b56783ce78e 100644
--- a/ppapi/ppapi_untrusted.gyp
+++ b/ppapi/ppapi_untrusted.gyp
@@ -62,6 +62,9 @@
          'native_client/native_client.gyp:ppapi_lib',
       ],
       'variables': {
+        # This is user code (vs IRT code), so tls accesses do not
+        # need to be indirect through a function call.
+        'newlib_tls_flags=': [],
         # TODO(bradnelson): Remove this compile flag once new nacl_rev is
         # above 9362.
         'compile_flags': [
@@ -129,18 +132,6 @@
         ],
       },
       'conditions': [
-        ['target_arch!="arm"', {
-          # This is user code (vs IRT code), so tls accesses do not
-          # need to be indirect through a function call.
-          # For PNaCl, the -mtls-use-call flag is localized to the
-          # IRT's translation command, so it is unnecessary to
-          # counteract that flag here.
-          'variables': {
-            'gcc_compile_flags': [
-              '-mno-tls-use-call',
-            ],
-          },
-        }],
         ['target_arch!="arm" and disable_glibc==0', {
           'variables': {
             'build_glibc': 1,