[msbuild] Disable native strip + dsymutil for simulator builds by def…

…ault. (#14380)

There's no reason to spend time running 'strip' or 'dsymutil' for simulator builds,
so default to not doing it.

msbuild/Xamarin.Shared/Xamarin.Shared.props

@@ -236,12 +236,17 @@ Copyright (C) 2020 Microsoft. All rights reserved.
 		<!-- default to 'false' -->
 		<NoSymbolStrip Condition="'$(NoSymbolStrip)' == '' And '$(_PlatformName)' != 'macOS'">$(MtouchNoSymbolStrip)</NoSymbolStrip>
 		<NoSymbolStrip Condition="'$(NoSymbolStrip)' == '' And ('$(_PlatformName)' == 'macOS' Or '$(_PlatformName)' == 'MacCatalyst')">true</NoSymbolStrip>
+		<!-- Disable stripping for simulator builds by default -->
+		<NoSymbolStrip Condition="'$(NoSymbolStrip)' == '' And ('$(_PlatformName)' == 'iOS' Or '$(_PlatformName)' == 'tvOS' Or '$(_PlatformName)' == 'watchOS') And '$(ComputedPlatform)' != 'iPhone'">true</NoSymbolStrip>
 		<NoSymbolStrip Condition="'$(NoSymbolStrip)' == ''">false</NoSymbolStrip>
 
 		<!-- NoDSymUtil -->
 		<!-- Xamarin.Mac never had an equivalent for MtouchNoDSymUtil and never produced them -> now, produce them by default when archiving -->
 		<NoDSymUtil Condition="'$(NoDSymUtil)' == '' And '$(_PlatformName)' != 'macOS'">$(MtouchNoDSymUtil)</NoDSymUtil>
+		<!-- Disable dsymutil on desktop unless archiving -->
 		<NoDSymUtil Condition="'$(NoDSymUtil)' == '' And ('$(_PlatformName)' == 'macOS' Or '$(_PlatformName)' == 'MacCatalyst') And '$(ArchiveOnBuild)' != 'true'">true</NoDSymUtil>
+		<!-- Disable dsymutil for simulator builds by default -->
+		<NoDSymUtil Condition="'$(NoDSymUtil)' == '' And ('$(_PlatformName)' == 'iOS' Or '$(_PlatformName)' == 'tvOS' Or '$(_PlatformName)' == 'watchOS') And '$(ComputedPlatform)' != 'iPhone'">true</NoDSymUtil>
 		<NoDSymUtil Condition="'$(NoDSymUtil)' == ''">false</NoDSymUtil>
 
 		<!-- DeviceSpecificIntermediateOutputPath -->