Fix ndk native reference documentation link errors/warnings

Trivial changes, no functionality impact.

Bug: 183002717
Test: build ndk with 'm ndk' works
Change-Id: I1ee646f28500ad5769abdddd4e9780a1915fd528
diff --git a/include/android/font.h b/include/android/font.h
index a172618..8a3a474 100644
--- a/include/android/font.h
+++ b/include/android/font.h
@@ -189,7 +189,7 @@
  * Available since API level 29.
  *
  * \param font a font object. Passing NULL is not allowed.
- * \return a positive integer less than or equal to {@link ASYSTEM_FONT_MAX_WEIGHT} is returned.
+ * \return a positive integer less than or equal to {@link AFONT_WEIGHT_MAX} is returned.
  */
 uint16_t AFont_getWeight(const AFont* _Nonnull font) __INTRODUCED_IN(29);
 
@@ -241,7 +241,7 @@
  * In this case, AFont_getAxisCount returns 2 and AFont_getAxisTag
  * and AFont_getAxisValue will return following values.
  * \code{.cpp}
- *     AFont* font = AFontIterator_next(ite);
+ *     AFont* font = ASystemFontIterator_next(ite);
  *
  *     // Returns the number of axes
  *     AFont_getAxisCount(font);  // Returns 2
@@ -289,7 +289,7 @@
  *
  * \param font a font object. Passing NULL is not allowed.
  * \param axisIndex an index to the font variation settings. Passing value larger than or
- *         equal to {@link ASYstemFont_getAxisCount} is not allwed.
+ *         equal to {@link AFont_getAxisCount} is not allowed.
  * \return a float value for the given font variation setting.
  */
 float AFont_getAxisValue(const AFont* _Nonnull font, uint32_t axisIndex)