remember completion method statistics per qualifier type (alas, undoing IDEA-87104)

otherwise methods from base classes get preferred over more relevant ones

example: Object methods like equals/getClass would be preselected when invoking a completion in a just created class, instead of its own methods

java/java-tests/testData/codeInsight/completion/normalSorting/MethodStatisticsPerQualifierType.java

@@ -0,0 +1,8 @@
+public class Usage<T extends Usage<T>> {
+  void foo(T t) {
+    "".<caret>
+  }
+
+  void someMethod() {}
+
+}

java/java-tests/testData/codeInsight/completion/normalSorting/SameStatsForDifferentQualifiersJComponent.java

@@ -1,9 +0,0 @@
-import javax.swing.*;
-
-public class MyFirstTestClassFoo {
-
-  void foo(JComponent c) {
-    c.getCom<caret>x
-  }
-
-}

java/java-tests/testData/codeInsight/completion/normalSorting/SameStatsForDifferentQualifiersJLabel.java

@@ -1,9 +0,0 @@
-import javax.swing.*;
-
-public class MyFirstTestClassFoo {
-
-  void foo(JLabel l) {
-    l.getCompo<caret>x
-  }
-
-}