TARGET_FS_CONFIG_GEN: switch from android_filesystem_config.h

Use TARGET_FS_CONFIG_GEN and switch from using android_filesystem_config.h.

Test: Ensure that fs_config_files and dirs did not change between old build
and new build using config.fs file:
eb0a6dbcbbe23198e0bf76e59d1be550  fs_config_files.old
eb0a6dbcbbe23198e0bf76e59d1be550  out/target/product/dragon/system/etc/fs_config_files
d41d8cd98f00b204e9800998ecf8427e  fs_config_dirs.old
d41d8cd98f00b204e9800998ecf8427e  out/target/product/dragon/system/etc/fs_config_dirs

Change-Id: I55911c83d2364ac9f147e0a427cd63546cf0108a
Signed-off-by: William Roberts <william.c.roberts@intel.com>
3 files changed