Implemented menu to select ide

Summary:
Added IDE menu functionalities.
Changed minor UX detail - for classes that cannot be opened user will always see 'Can't open' prompt.

Design: https://www.figma.com/file/M0l6qhQqzllIcefVE4tQvG/Error-Reporter-IDE-Selector?node-id=82%3A0

Reviewed By: arpitratan, adityasharat

Differential Revision: D22790328

fbshipit-source-id: 8dfbcf7408c53947909bcf3fa700dee7ae47e14a

android/src/main/java/com/facebook/flipper/plugins/inspector/InspectorFlipperPlugin.java

@@ -447,9 +447,9 @@ public class InspectorFlipperPlugin implements FlipperPlugin {
     return mConnection != null;
   }
 
-  public boolean openInIDE(
+  public void openInIDE(
       String fileName, String className, String dirRoot, String repo, int lineNumber, IDE ide) {
-    if (mConnection == null) return false;
+    if (mConnection == null) return;
 
     mConnection.send(
         "openInIDE",
@@ -461,7 +461,6 @@ public class InspectorFlipperPlugin implements FlipperPlugin {
             .put("lineNumber", lineNumber)
             .put("ide", ide)
             .build());
-    return true;
   }
 
   private void setHighlighted(