Retain data flow info after boolean operations

#KT-2825 In Progress

compiler/testData/diagnostics/tests/dataFlowInfoTraversal/BinaryExpressionBooleanOperations.kt

@@ -0,0 +1,23 @@
+fun foo1(x: Number, cond: Boolean): Boolean {
+    val result = cond && ((x as Int) == 42)
+    <!TYPE_MISMATCH!>x<!> : Int
+    return result
+}
+
+fun foo2(x: Number, cond: Boolean): Boolean {
+    val result = ((x as Int) == 42) && cond
+    x : Int
+    return result
+}
+
+fun foo3(x: Number, cond: Boolean): Boolean {
+    val result = cond || ((x as Int) == 42)
+    <!TYPE_MISMATCH!>x<!> : Int
+    return result
+}
+
+fun foo4(x: Number, cond: Boolean): Boolean {
+    val result = ((x as Int) == 42) || cond
+    x : Int
+    return result
+}

compiler/testData/diagnostics/tests/dataFlowInfoTraversal/Condition.kt

@@ -0,0 +1,5 @@
+fun foo(x: Int?): Boolean {
+    val result = ((x!! == 0) && ((x : Int) == 0))
+    x : Int
+    return result
+}