Remove '<(library)' in gyp files.

This will remove all usage of '<(library)' in all webrtc gyp files. 
Review URL: https://webrtc-codereview.appspot.com/1049005

git-svn-id: http://webrtc.googlecode.com/svn/trunk@3392 4adac7df-926f-26a2-2b94-8c16560cd09d

webrtc/modules/audio_coding/codecs/cng/cng.gypi

@@ -10,7 +10,7 @@
   'targets': [
     {
       'target_name': 'CNG',
-      'type': '<(library)',
+      'type': 'static_library',
       'dependencies': [
         '<(webrtc_root)/common_audio/common_audio.gyp:signal_processing',
       ],

webrtc/modules/audio_coding/codecs/g711/g711.gypi

@@ -10,7 +10,7 @@
   'targets': [
     {
       'target_name': 'G711',
-      'type': '<(library)',
+      'type': 'static_library',
       'include_dirs': [
         'include',
       ],

webrtc/modules/audio_coding/codecs/g722/g722.gypi

@@ -9,7 +9,7 @@
   'targets': [
     {
       'target_name': 'G722',
-      'type': '<(library)',
+      'type': 'static_library',
       'include_dirs': [
         'include',
       ],

webrtc/modules/audio_coding/codecs/ilbc/ilbc.gypi

@@ -10,7 +10,7 @@
   'targets': [
     {
       'target_name': 'iLBC',
-      'type': '<(library)',
+      'type': 'static_library',
       'dependencies': [
         '<(webrtc_root)/common_audio/common_audio.gyp:signal_processing',
       ],

webrtc/modules/audio_coding/codecs/isac/fix/source/isacfix.gypi

@@ -10,7 +10,7 @@
   'targets': [
     {
       'target_name': 'iSACFix',
-      'type': '<(library)',
+      'type': 'static_library',
       'dependencies': [
         '<(webrtc_root)/common_audio/common_audio.gyp:signal_processing',
         '<(webrtc_root)/system_wrappers/source/system_wrappers.gyp:system_wrappers',
@@ -91,7 +91,7 @@
       'targets': [
         {
           'target_name': 'isac_neon',
-          'type': '<(library)',
+          'type': 'static_library',
           'includes': ['../../../../../../build/arm_neon.gypi',],
           'dependencies': [
             '<(webrtc_root)/common_audio/common_audio.gyp:signal_processing',

webrtc/modules/audio_coding/codecs/isac/main/source/isac.gypi

@@ -10,7 +10,7 @@
   'targets': [
     {
       'target_name': 'iSAC',
-      'type': '<(library)',
+      'type': 'static_library',
       'dependencies': [
         '<(webrtc_root)/common_audio/common_audio.gyp:signal_processing',
       ],

webrtc/modules/audio_coding/codecs/pcm16b/pcm16b.gypi

@@ -10,7 +10,7 @@
   'targets': [
     {
       'target_name': 'PCM16B',
-      'type': '<(library)',
+      'type': 'static_library',
       'include_dirs': [
         'include',
       ],