Releng: try reverting to 1.8 compliance, while still reading JRE 11
diff --git a/org.eclipse.jdt.core.tests.compiler/build.properties b/org.eclipse.jdt.core.tests.compiler/build.properties
index cfa629f..4d8be1d 100644
--- a/org.eclipse.jdt.core.tests.compiler/build.properties
+++ b/org.eclipse.jdt.core.tests.compiler/build.properties
@@ -21,3 +21,5 @@
 source.. = src/
 output.. = bin/
 src.includes = about.html
+
+javacProjectSettings=true