mozilla-b2g/platform_build — pull request #15 by gabrielesvelto (2013-01-23 17:50:24+00:00)
Title: Bug 825142 - Do not store the Android ringtones in the system image

The Android ringtones are part of the platform/frameworks/base project so they cannot be removed from the manifest, however we can prevent them from being packaged by removing the makefile step which includes them.