Minor: fix broken tests

plugins/android-compiler-plugin/testData/android/converter/simple/layoutVariants/test_VIEW.kt

@@ -3,5 +3,5 @@ package kotlinx.android.synthetic.test.view
 import kotlin.internal.flexible.ft
 
 val android.view.View.button: ft<android.view.View, android.view.View?>
-    get() = findViewById(0) as? android.view.View
+    get() = findViewById(0)
 

plugins/android-compiler-plugin/testData/android/converter/simple/sameIds/test_VIEW.kt

@@ -3,7 +3,7 @@ package kotlinx.android.synthetic.test.view
 import kotlin.internal.flexible.ft
 
 val android.view.View.textView1: ft<android.view.View, android.view.View?>
-    get() = findViewById(0) as? android.view.View
+    get() = findViewById(0)
 
 val android.view.View.textView2: ft<android.widget.TextView, android.widget.TextView?>
     get() = findViewById(0) as? android.widget.TextView

plugins/android-compiler-plugin/testData/android/converter/simple/severalResDirs/test_VIEW.kt

@@ -3,7 +3,7 @@ package kotlinx.android.synthetic.test.view
 import kotlin.internal.flexible.ft
 
 val android.view.View.button: ft<android.view.View, android.view.View?>
-    get() = findViewById(0) as? android.view.View
+    get() = findViewById(0)
 
 val android.view.View.button2: ft<android.widget.Button, android.widget.Button?>
     get() = findViewById(0) as? android.widget.Button

plugins/android-compiler-plugin/testData/android/converter/simple/specialTags/test_VIEW.kt

@@ -3,7 +3,7 @@ package kotlinx.android.synthetic.test.view
 import kotlin.internal.flexible.ft
 
 val android.view.View.includeTag: ft<android.view.View, android.view.View?>
-    get() = findViewById(0) as? android.view.View
+    get() = findViewById(0)
 
 val android.view.View.`fun`: ft<android.widget.TextView, android.widget.TextView?>
     get() = findViewById(0) as? android.widget.TextView

plugins/android-compiler-plugin/testData/android/converter/simple/supportSpecialTags/test_VIEW.kt

@@ -3,7 +3,7 @@ package kotlinx.android.synthetic.test.view
 import kotlin.internal.flexible.ft
 
 val android.view.View.includeTag: ft<android.view.View, android.view.View?>
-    get() = findViewById(0) as? android.view.View
+    get() = findViewById(0)
 
 val android.view.View.`fun`: ft<android.widget.TextView, android.widget.TextView?>
     get() = findViewById(0) as? android.widget.TextView

plugins/android-compiler-plugin/testData/android/converter/simple/unresolvedFqName/test_VIEW.kt

@@ -3,6 +3,6 @@ package kotlinx.android.synthetic.test.view
 import kotlin.internal.flexible.ft
 
 @kotlin.internal.flexible.InvalidWidgetType("a.b.c")
-val android.view.View.MyView: ft<android.view.View, android.view.View?>
-    get() = findViewById(0) as? android.view.View
+val android.view.View.MyView: ft<a.b.c, a.b.c?>
+    get() = findViewById(0) as? a.b.c
 

plugins/android-compiler-plugin/testData/android/converter/simple/unresolvedWidget/test_VIEW.kt

@@ -4,5 +4,5 @@ import kotlin.internal.flexible.ft
 
 @kotlin.internal.flexible.InvalidWidgetType("KeyboardView")
 val android.view.View.MyKeyboardView: ft<android.view.View, android.view.View?>
-    get() = findViewById(0) as? android.view.View
+    get() = findViewById(0)