Add support for building iOS simulator code for iOS 11 and 12

No-Try: True
Bug: webrtc:10291
Change-Id: I7c9349bcacd2c26c28ec08a0a3b1b1b4c104ae12
Reviewed-on: https://webrtc-review.googlesource.com/c/121645
Reviewed-by: Oleh Prypin <oprypin@webrtc.org>
Commit-Queue: Artem Titarenko <artit@google.com>
Cr-Commit-Position: refs/heads/master@{#26602}
diff --git a/tools_webrtc/mb/mb_config.pyl b/tools_webrtc/mb/mb_config.pyl
index d3bfd06..829fc97 100644
--- a/tools_webrtc/mb/mb_config.pyl
+++ b/tools_webrtc/mb/mb_config.pyl
@@ -26,6 +26,8 @@
       'iOS64 Release': 'ios_release_bot_arm64',
       'iOS64 Sim Debug (iOS 9.0)': 'ios_debug_bot_x64',
       'iOS64 Sim Debug (iOS 10.0)': 'ios_debug_bot_x64',
+      'iOS64 Sim Debug (iOS 11)': 'ios_debug_bot_x64',
+      'iOS64 Sim Debug (iOS 12)': 'ios_debug_bot_x64',
 
       # Mac
       'Mac64 Debug': 'debug_bot_x64',
@@ -154,6 +156,7 @@
       'ios_sim_x64_dbg_ios9': 'ios_debug_bot_x64',
       'ios_sim_x64_dbg_ios10': 'ios_debug_bot_x64',
       'ios_sim_x64_dbg_ios11': 'ios_debug_bot_x64',
+      'ios_sim_x64_dbg_ios12': 'ios_debug_bot_x64',
 
       # Mac
       'mac_compile_dbg': 'debug_bot_x64',