storaged: clean up disk stats code
Merged disk_stats_publisher into disk_stats_monitor class.
Moved proc file check to disk_stats class instead of doing so in
storaged, same for uid_io.
Added is_zero function to check zero disk_stats.
Added operators to compute disk_stats.
Change-Id: I277ae51f6fe18464f92e45c03471343784e67093
diff --git a/storaged/Android.bp b/storaged/Android.bp
index 25b433c..6aef8c8 100644
--- a/storaged/Android.bp
+++ b/storaged/Android.bp
@@ -44,6 +44,7 @@
srcs: [
"storaged.cpp",
+ "storaged_diskstats.cpp",
"storaged_info.cpp",
"storaged_service.cpp",
"storaged_utils.cpp",