Bugreport includes /metadata/ota

/metadata/ota contains debugging information for Virtual
A/B that illustrates states of snapshots.

It does not contain any user information.

Test: bugreport
Fixes: 137757435
Change-Id: I0d09fa59528423e0f16131f3841948832fa70b4a
diff --git a/cmds/dumpstate/dumpstate.cpp b/cmds/dumpstate/dumpstate.cpp
index 693525a..3b6a527 100644
--- a/cmds/dumpstate/dumpstate.cpp
+++ b/cmds/dumpstate/dumpstate.cpp
@@ -154,6 +154,7 @@
 #define XFRM_STAT_PROC_FILE "/proc/net/xfrm_stat"
 #define WLUTIL "/vendor/xbin/wlutil"
 #define WMTRACE_DATA_DIR "/data/misc/wmtrace"
+#define OTA_METADATA_DIR "/metadata/ota"
 
 // TODO(narayan): Since this information has to be kept in sync
 // with tombstoned, we should just put it in a common header.
@@ -1524,6 +1525,7 @@
     add_mountinfo();
     DumpIpTablesAsRoot();
     DumpDynamicPartitionInfo();
+    ds.AddDir(OTA_METADATA_DIR, true);
 
     // Capture any IPSec policies in play. No keys are exposed here.
     RunCommand("IP XFRM POLICY", {"ip", "xfrm", "policy"}, CommandOptions::WithTimeout(10).Build());