Fix generation of analysis results in analyzer_cli "build mode".

pkg/analyzer_cli/lib/src/build_mode.dart

Index: pkg/analyzer_cli/lib/src/build_mode.dart
diff --git a/pkg/analyzer_cli/lib/src/build_mode.dart b/pkg/analyzer_cli/lib/src/build_mode.dart
index 8992a10dcb228c69b4ae4e031bd280d770494eb1..700e79710886282aa35e6a88d25c34e1af106676 100644
--- a/pkg/analyzer_cli/lib/src/build_mode.dart
+++ b/pkg/analyzer_cli/lib/src/build_mode.dart
@@ -253,7 +253,7 @@ class BuildMode {
           resourceProvider.getFolder(options.dartSdkPath), options.strongMode);
       dartSdk.analysisOptions =
           Driver.createAnalysisOptionsForCommandLineOptions(options);
-      dartSdk.useSummary = false;
+      dartSdk.useSummary = !options.buildSummaryOnly;
       sdk = dartSdk;
       sdkBundle = dartSdk.getSummarySdkBundle(options.strongMode);
     }
@@ -276,6 +276,13 @@ class BuildMode {
         contextOptions.analyzeFunctionBodies = false;
       }
     });
+
+    if (!options.buildSummaryOnly) {
+      // Configure using summaries.
+      context.typeProvider = sdk.context.typeProvider;
+      context.resultProvider =
+          new InputPackagesResultProvider(context, summaryDataStore);
+    }
   }
 
   /**