CPU_ABI in Build has been deprecated using the Android L SDK.

TBR=qinmin@chromium.org
BUG=398669

Review URL: https://codereview.chromium.org/527033003

Cr-Commit-Position: refs/heads/master@{#292871}

media/base/android/java/src/org/chromium/media/AudioManagerAndroid.java

@@ -1039,7 +1039,6 @@ class AudioManagerAndroid {
         logd("Android SDK: " + Build.VERSION.SDK_INT + ", " +
             "Release: " + Build.VERSION.RELEASE + ", " +
             "Brand: " + Build.BRAND + ", " +
-            "CPU_ABI: " + Build.CPU_ABI + ", " +
             "Device: " + Build.DEVICE + ", " +
             "Id: " + Build.ID + ", " +
             "Hardware: " + Build.HARDWARE + ", " +