Cleanup converted module fbandroid/libraries/textlayoutbuilder/library/src/main/java/com/facebook/fbui/textlayoutbuilder:textlayoutbuilder

Summary:
```
arc lint
```

Differential Revision: D88724851

fbshipit-source-id: 52fc7fe23a8125abc197e0a8c1e973ce7859ec56

Author: Ushana Goyal

library/src/main/java/com/facebook/fbui/textlayoutbuilder/GlyphWarmer.kt

@@ -23,10 +23,5 @@ import android.text.Layout
  * This approach helps in drawing text in post Android 4.0 devices.
  */
 fun interface GlyphWarmer {
-  /**
-   * Warms the text layout.
-   *
-   * @param layout The layout
-   */
   fun warmLayout(layout: Layout?)
 }

library/src/main/java/com/facebook/fbui/textlayoutbuilder/StaticLayoutHelper.kt

@@ -318,19 +318,19 @@ internal object StaticLayoutHelper {
       if (lineEnd < lineStart) {
         // Bug, need to swap lineStart and lineEnd
         try {
-          val mLinesField = StaticLayout::class.java.getDeclaredField("mLines")
-          mLinesField.isAccessible = true
+          val linesField = StaticLayout::class.java.getDeclaredField("lines")
+          linesField.isAccessible = true
 
-          val mColumnsField = StaticLayout::class.java.getDeclaredField("mColumns")
-          mColumnsField.isAccessible = true
+          val columnsField = StaticLayout::class.java.getDeclaredField("columns")
+          columnsField.isAccessible = true
 
-          val mLines = mLinesField[layout] as IntArray?
-          val mColumns = mColumnsField.getInt(layout)
+          val lines = linesField[layout] as IntArray?
+          val columns = columnsField.getInt(layout)
 
           // swap lineStart and lineEnd by swapping all the following data:
           // mLines[mColumns * i.. mColumns * i+1] <-> mLines[mColumns * (i+1)..mColumns * (i+2)]
-          for (j in 0..<mColumns) {
-            swap(mLines!!, mColumns * i + j, mColumns * i + j + mColumns)
+          for (j in 0..<columns) {
+            lines?.let { swap(it, columns * i + j, columns * i + j + columns) }
           }
         } catch (e: Exception) {
           // something is wrong, bail out