fixing eclipse import errors that can also be fixed via 'Fix Project Properties' menu

modules/java/android_lib/.settings/org.eclipse.jdt.core.prefs

@@ -1,2 +1,6 @@
+# fixing project properties
 eclipse.preferences.version=1
+org.eclipse.jdt.core.compiler.codegen.targetPlatform=1.6
+org.eclipse.jdt.core.compiler.compliance=1.6
+org.eclipse.jdt.core.compiler.source=1.6
 org.eclipse.jdt.core.compiler.problem.unusedPrivateMember=ignore