Move LoadingPhaseRunner.LoadingResult to a top-level class.

--
MOS_MIGRATED_REVID=106838787
diff --git a/src/main/java/com/google/devtools/build/lib/analysis/BuildView.java b/src/main/java/com/google/devtools/build/lib/analysis/BuildView.java
index f60eb63..8f40fcd 100644
--- a/src/main/java/com/google/devtools/build/lib/analysis/BuildView.java
+++ b/src/main/java/com/google/devtools/build/lib/analysis/BuildView.java
@@ -62,7 +62,7 @@
 import com.google.devtools.build.lib.packages.Target;
 import com.google.devtools.build.lib.packages.TargetUtils;
 import com.google.devtools.build.lib.pkgcache.LoadedPackageProvider;
-import com.google.devtools.build.lib.pkgcache.LoadingPhaseRunner.LoadingResult;
+import com.google.devtools.build.lib.pkgcache.LoadingResult;
 import com.google.devtools.build.lib.rules.test.CoverageReportActionFactory;
 import com.google.devtools.build.lib.rules.test.CoverageReportActionFactory.CoverageReportActionsWrapper;
 import com.google.devtools.build.lib.rules.test.InstrumentedFilesProvider;