FontCache::dump()

    if (gFontPlatformDataCache) {
        FontPlatformDataCache::iterator end = gFontPlatformDataCache->end();
        FontPlatformDataCache::iterator it = gFontPlatformDataCache->begin();
        for (int count = 0; it != end; ++it, count++) {
		    ALOGV("gFontPlatformDataCache [%d]=%08X, %s", count, it->value, it->key.m_family.string().utf8().data());
        }
	    ALOGV("gFontPlatformDataCache Dump End **********");
    }