Add CronetUnitTests into Jenkins tests

src/objective-c/tests/Tests.xcodeproj/xcshareddata/xcschemes/AllTests.xcscheme

@@ -59,6 +59,16 @@
                ReferencedContainer = "container:Tests.xcodeproj">
             </BuildableReference>
          </TestableReference>
+         <TestableReference
+            skipped = "NO">
+            <BuildableReference
+               BuildableIdentifier = "primary"
+               BlueprintIdentifier = "5EAD6D231E27047400002378"
+               BuildableName = "CronetUnitTests.xctest"
+               BlueprintName = "CronetUnitTests"
+               ReferencedContainer = "container:Tests.xcodeproj">
+            </BuildableReference>
+         </TestableReference>
       </Testables>
       <MacroExpansion>
          <BuildableReference
@@ -100,6 +110,15 @@
       savedToolIdentifier = ""
       useCustomWorkingDirectory = "NO"
       debugDocumentVersioning = "YES">
+      <MacroExpansion>
+         <BuildableReference
+            BuildableIdentifier = "primary"
+            BlueprintIdentifier = "63423F431B150A5F006CF63C"
+            BuildableName = "AllTests.xctest"
+            BlueprintName = "AllTests"
+            ReferencedContainer = "container:Tests.xcodeproj">
+         </BuildableReference>
+      </MacroExpansion>
    </ProfileAction>
    <AnalyzeAction
       buildConfiguration = "Debug">