Bump mono and Touch.Unit to head of their branches

[spouliot]

Commit list for spouliot/Touch.Unit:

• xamarin/Touch.Unit@1c41c75 Revert "[TouchRunner] do not use FinallyDelegate in Runner, because it requires remoting API to be available ([mtouch] Properly link with CoreAudioKit when not using simlauncher. #49)" ([runtime] Re-enable the gc pump by default for debug simulator/mac builds. #50)
• xamarin/Touch.Unit@4ac4e32 [TouchRunner] do not use FinallyDelegate in Runner, because it requires remoting API to be available ([mtouch] Properly link with CoreAudioKit when not using simlauncher. #49)

Diff: xamarin/Touch.Unit@b5b227e...1c41c75

Commit list for mono/mono:

• mono/mono@3f4f070d3db disable test_42_arm64_dyncall_vtypebyval
• mono/mono@331f927bfea Bump nunitlite (Debugger doesn't connect to watchOS app deployed to real device (Apple Watch Series 5) #7276)
• mono/mono@da6a45a158b Check if we are exceeding the worker count limit
• mono/mono@21d6b331fc8 Ios sdk changes (Bundle resources in NuGet package not installed #7258)
• mono/mono@e87d1235da1 Merge mxe-Win32 and mxe-Win64 targets since we are building both in XA anyway (Only notarize CI builds; timeout after 90 min #7280)
• mono/mono@b9fb4d88572 Bump bockbuild to get curl error changes
• mono/mono@b7031bccfc8 Emit the same instances in hybrid aot mode as in full aot mode.
• mono/mono@3538148a18d [2017-12] [xbuild] add property that is available in msbuild (Map Foundation.NSBackgroundActivityScheduler API #7224)
• mono/mono@947e457f0eb [sdks] Instead of using a XCODE_VERSION variable, let the caller set the XCODE_DIR variable directly, since x.ios is using a full path. (Package restore failed. Rolling back package changes for 'Jostwise.Android'. #7111)
• mono/mono@7f0c97aa038 Bump bockbuild for Use 'curl' tool instead of Python's library for downloading, as it do… mono/bockbuild#62 (Archiving iOS App Bundle does not show full error message on failure #7207)
• mono/mono@85cfb9ccab5 Disable partial sharing during JITting, its only been tested in full aot mode, and doesn't seem to work with JITted methods. Fixes Hybrid AOT breaks setting thread UI culture mono/mono#7085.
• mono/mono@22a6ec10b15 Add hybrid aot tests.
• mono/mono@454bd206aa6 Remove reflection calls for value has to be set
• mono/mono@4adf8229e88 bump nunit-lite ([msbuild] Post-build msbuild targets firing before IPA creation #7139)
• mono/mono@de4729fae29 [mono-api-html] Expand "ignore" functionality ([monotouch-test] Fix UrlProtocolTest after a server we don't control changed its output. Fixes xamarin/maccore#2006. #7154)
• mono/mono@721462c4a15 [2017-12] [corlib] Fix RuntimeFeatureTest.NoNewFeaturesAdded on mobile (NSUrlSessionHandler.RemoveNotification () - SIGABRT: Value cannot be null. Parameter name: observer #7152)

Diff: mono/mono@177997b...3f4f070

[monojenkins]

Build failure

[spouliot]

Known issues:

• TestAddingByComponents failure -> known issue (today Feb 28th) https://github.com/xamarin/maccore/issues/656
• iOS 32-bit sim: TimeZoneTest.TestCtors (D02) fails
  -> https://github.com/xamarin/maccore/issues/629
• Command 'make -j8 -C /Users/builder/jenkins/workspace/xamarin-macios-pr-builder/tests/test-libraries' exited with code: 2 -> https://github.com/xamarin/maccore/issues/637