Change uses of the obsolete armv7 setting to arm_version==7.

BUG=http://crbug.com/234135
R=andrew@webrtc.org, fischman@webrtc.org, kjellander@webrtc.org

Review URL: https://webrtc-codereview.appspot.com/5369004

Patch from Mostyn Bramley-Moore <mostynb@opera.com>.

git-svn-id: http://webrtc.googlecode.com/svn/trunk@5250 4adac7df-926f-26a2-2b94-8c16560cd09d
diff --git a/webrtc/modules/audio_processing/audio_processing.gypi b/webrtc/modules/audio_processing/audio_processing.gypi
index 555bdc3..336b4ee 100644
--- a/webrtc/modules/audio_processing/audio_processing.gypi
+++ b/webrtc/modules/audio_processing/audio_processing.gypi
@@ -117,7 +117,7 @@
         ['target_arch=="ia32" or target_arch=="x64"', {
           'dependencies': ['audio_processing_sse2',],
         }],
-        ['(target_arch=="arm" and armv7==1) or target_arch=="armv7"', {
+        ['(target_arch=="arm" and arm_version==7) or target_arch=="armv7"', {
           'dependencies': ['audio_processing_neon',],
         }],
         ['target_arch=="mipsel"', {
@@ -168,7 +168,7 @@
         },
       ],
     }],
-    ['(target_arch=="arm" and armv7==1) or target_arch=="armv7"', {
+    ['(target_arch=="arm" and arm_version==7) or target_arch=="armv7"', {
       'targets': [{
         'target_name': 'audio_processing_neon',
         'type': 'static_library',