Add some /proc files to bug reports.

/proc/cpuinfo is useful for knowing which CPU features are enabled on
the target. /proc/meminfo is useful for getting an idea of total memory
consumption at the time of the bug report.

Bug: 269515026
Change-Id: I72bc3270189799061876cd6b26e59f2a53d625da
diff --git a/cmds/dumpstate/dumpstate.cpp b/cmds/dumpstate/dumpstate.cpp
index 12de33f..37e3ebf 100644
--- a/cmds/dumpstate/dumpstate.cpp
+++ b/cmds/dumpstate/dumpstate.cpp
@@ -1885,6 +1885,9 @@
     }
     ds.AddDir(PREREBOOT_DATA_DIR, false);
     add_mountinfo();
+    for (const char* path : {"/proc/cpuinfo", "/proc/meminfo"}) {
+        ds.AddZipEntry(ZIP_ROOT_DIR + path, path);
+    }
     DumpIpTablesAsRoot();
     DumpDynamicPartitionInfo();
     ds.AddDir(OTA_METADATA_DIR, true);