Fix typo in code comment

flow/testing/gl_context_switch_test.h

@@ -30,7 +30,7 @@ class TestSwitchableGLContext : public SwitchableGLContext {
   //------------------------------------------------------------------------------
   /// Set the current context
   ///
-  /// This is to mimic how other programs outside flutter sets the context.
+  // This is to mimic how other programs outside flutter set the context.
   static void SetCurrentContext(int context);
 
  private:

shell/platform/android/io/flutter/embedding/engine/systemchannels/PlatformChannel.java

@@ -686,7 +686,7 @@ static SystemUiMode fromValue(@NonNull String encodedName) throws NoSuchFieldExc
 
     @NonNull private String encodedName;
 
-    /** Returens the encoded {@link SystemUiMode} */
+    /** Returns the encoded {@link SystemUiMode} */
     SystemUiMode(@NonNull String encodedName) {
       this.encodedName = encodedName;
     }