SDK_VARIANT build destinations should be separate from non-SDK_VARIANT builds

SDK_VARIANT build destinations should be separate from non-SDK_VARIANT builds
https://bugs.webkit.org/show_bug.cgi?id=189553

Reviewed by Tim Horton.

.:

* Makefile.shared:

PerformanceTests:

* MediaTime/Configurations/Base.xcconfig:
* MediaTime/Configurations/SDKVariant.xcconfig: Added.

Source/bmalloc:

* Configurations/Base.xcconfig:
* Configurations/SDKVariant.xcconfig: Added.

Source/JavaScriptCore:

* Configurations/Base.xcconfig:
* Configurations/SDKVariant.xcconfig: Added.

Source/ThirdParty/ANGLE:

* Configurations/Base.xcconfig:
* Configurations/SDKVariant.xcconfig: Added.

Source/ThirdParty/libwebrtc:

* Configurations/Base.xcconfig:
* Configurations/SDKVariant.xcconfig: Added.

Source/WebCore:

* Configurations/Base.xcconfig:
* Configurations/SDKVariant.xcconfig: Added.
* Configurations/WebCore.xcconfig:

Source/WebCore/PAL:

* Configurations/Base.xcconfig:
* Configurations/PAL.xcconfig:
* Configurations/SDKVariant.xcconfig: Added.

Source/WebInspectorUI:

* Configurations/Base.xcconfig:
* Configurations/SDKVariant.xcconfig: Added.

Source/WebKit:

* Configurations/Base.xcconfig:
* Configurations/BaseTarget.xcconfig:
* Configurations/SDKVariant.xcconfig: Added.

Source/WebKitLegacy/mac:

* Configurations/Base.xcconfig:
* Configurations/SDKVariant.xcconfig: Added.
* Configurations/WebKitLegacy.xcconfig:

Source/WTF:

* Configurations/Base.xcconfig:
* Configurations/SDKVariant.xcconfig: Added.

Tools:

Add a check-webkit-style check that ensures all SDKVariant.xcconfig files match.

* ContentExtensionTester/Configurations/Base.xcconfig:
* ContentExtensionTester/Configurations/SDKVariant.xcconfig: Added.
* DumpRenderTree/mac/Configurations/Base.xcconfig:
* DumpRenderTree/mac/Configurations/SDKVariant.xcconfig: Added.
* ImageDiff/cg/Configurations/Base.xcconfig:
* ImageDiff/cg/Configurations/SDKVariant.xcconfig: Added.
* MiniBrowser/Configurations/Base.xcconfig:
* MiniBrowser/Configurations/SDKVariant.xcconfig: Added.
* MobileMiniBrowser/Configurations/Base.xcconfig:
* MobileMiniBrowser/Configurations/SDKVariant.xcconfig: Added.
* Scripts/webkitpy/style/checker.py:
(_all_categories):
(FileType):
(CheckerDispatcher._file_type):
(CheckerDispatcher._create_checker):
* Scripts/webkitpy/style/checkers/sdkvariant.py: Added.
(SDKVariantChecker):
(SDKVariantChecker.__init__):
(SDKVariantChecker.check):
* TestWebKitAPI/Configurations/Base.xcconfig:
* TestWebKitAPI/Configurations/SDKVariant.xcconfig: Added.
* WebEditingTester/Configurations/Base.xcconfig:
* WebEditingTester/Configurations/SDKVariant.xcconfig: Added.
* WebKitLauncher/Configurations/SDKVariant.xcconfig: Added.
* WebKitTestRunner/Configurations/Base.xcconfig:
* WebKitTestRunner/Configurations/SDKVariant.xcconfig: Added.
* lldb/lldbWebKitTester/Configurations/Base.xcconfig:
* lldb/lldbWebKitTester/Configurations/SDKVariant.xcconfig: Added.

git-svn-id: https://svn.webkit.org/repository/webkit/trunk@240124 268f45cc-cd09-0410-ab3c-d52691b4dbfc