Add myself and Ben to owners of package:dap

Change-Id: I46db89503d036ee4ceff4b252f0dd813f7e4395f
Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/303440
Commit-Queue: Helin Shiah <helinx@google.com>
Reviewed-by: Ben Konyi <bkonyi@google.com>
Reviewed-by: Devon Carew <devoncarew@google.com>

pkg/dap/OWNERS

@@ -0,0 +1 @@
+file:/tools/OWNERS_DEVTOOLS

tools/OWNERS

@@ -5,6 +5,7 @@ file:OWNERS_ECOSYSTEM
 per-file OWNERS_ANALYZER=file:OWNERS_ANALYZER
 per-file OWNERS_BUILD=file:OWNERS_BUILD
 per-file OWNERS_CFE=file:OWNERS_CFE
+per-file OWNERS_DEVTOOLS=file:OWNERS_DEVTOOLS
 per-file OWNERS_ECOSYSTEM=file:OWNERS_ECOSYSTEM
 per-file OWNERS_FOUNDATION=file:OWNERS_FOUNDATION
 per-file OWNERS_GOOGLE3=file:OWNERS_GOOGLE3

tools/OWNERS_DEVTOOLS

@@ -0,0 +1,2 @@
+bkonyi@google.com
+helinx@google.com