Replace DPIUtil::get(Native)DeviceZoom() calls for all the snippets and tests

[ShahzaibIbrahim]

Following are the places where getDeviceZoom is called. We need to figure out whether and how to replace these calls. As per my findings, the tests always use 100 as the device zoom.

org.eclipse.swt.graphics.GCWin32Tests.drawnElementsShouldScaleUpToTheRightZoomLevel()
org.eclipse.swt.tests.junit.Test_org_eclipse_swt_graphics_GC.executeWithNonDefaultDeviceZoom(Runnable)
org.eclipse.swt.snippets.Snippet373.main(String[])
org.eclipse.swt.tests.manual.Issue0445_HiDPISmoothScaling.main(String[])
org.eclipse.swt.widgets.PatternWin32ManualTest.main(String[])
org.eclipse.swt.tests.junit.DPIUtilTests.scaleDownFloatArray()
org.eclipse.swt.tests.junit.DPIUtilTests.scaleDownInteger()
org.eclipse.swt.tests.junit.DPIUtilTests.scaleDownPoint()
org.eclipse.swt.tests.junit.DPIUtilTests.scaleDownRectangle()
org.eclipse.swt.tests.junit.DPIUtilTests.scaleUpFloat()
org.eclipse.swt.tests.junit.DPIUtilTests.scaleUpIntArray()
org.eclipse.swt.tests.junit.DPIUtilTests.scaleUpInteger()
org.eclipse.swt.tests.junit.DPIUtilTests.scaleUpPoint()
org.eclipse.swt.tests.junit.DPIUtilTests.scaleUpRectangle()
org.eclipse.swt.tests.junit.DPIUtilTests.setup()
org.eclipse.swt.tests.junit.Test_org_eclipse_swt_widgets_Display.test_Constructor()
org.eclipse.swt.tests.junit.Test_org_eclipse_swt_graphics_GC.test_copyAreaIIIIII()
org.eclipse.swt.tests.junit.Test_org_eclipse_swt_graphics_GC.test_copyAreaLorg_eclipse_swt_graphics_ImageII()
org.eclipse.swt.tests.junit.Test_org_eclipse_swt_graphics_Image.test_getImageData_100()
org.eclipse.swt.tests.junit.Test_org_eclipse_swt_graphics_Image.test_getImageData_125()
org.eclipse.swt.tests.junit.Test_org_eclipse_swt_graphics_Image.test_getImageData_150()
org.eclipse.swt.tests.junit.Test_org_eclipse_swt_graphics_Image.test_getImageData_200()
org.eclipse.swt.tests.junit.Test_org_eclipse_swt_graphics_Image.test_updateWidthHeightAfterDPIChange()
org.eclipse.swt.widgets.WidgetWin32Tests.testButtonFontAfterZooming()
org.eclipse.swt.widgets.WidgetWin32Tests.testButtonPointsAfterZooming()
org.eclipse.swt.widgets.WidgetWin32Tests.testCaretInStyledTextAfterZooming()
org.eclipse.swt.widgets.WidgetWin32Tests.testCoolItemAfterZooming()
org.eclipse.swt.widgets.ControlWin32Tests.testDoNotScaleFontCorrectlyInNoAutoScaleSzenario()
org.eclipse.swt.widgets.WidgetWin32Tests.testExpandItemAfterZooming()
org.eclipse.swt.widgets.WidgetWin32Tests.testImagePixelsWithDoubleZoomLevel()
org.eclipse.swt.graphics.ImageWin32Tests.testImageShouldHaveDimesionAsPerZoomLevel()
org.eclipse.swt.graphics.RegionWin32Tests.testRegionMustBeScaledOnHandleOfScaledZoomLevel()
org.eclipse.swt.graphics.TransformWin32Tests.testScaledTrasformMustHaveScaledValues()
org.eclipse.swt.widgets.ControlWin32Tests.testScaleFontCorrectlyInAutoScaleSzenario()
org.eclipse.swt.graphics.TransformWin32Tests.testShouldHaveDifferentHandlesAtDifferentZoomLevels()
org.eclipse.swt.widgets.WidgetWin32Tests.testTabFolderSizeAfterZooming()
org.eclipse.swt.widgets.WidgetWin32Tests.testTableAfterZooming()
org.eclipse.swt.widgets.WidgetWin32Tests.testTreeAfterZooming()
org.eclipse.swt.widgets.WidgetWin32Tests.testWidgetZoomShouldChangeOnZoomLevelChange()
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