Remove an erroneous semicolon

__INTRODUCED_IN(...) macro expands to attributes, and therefore
shouldn't be after a semicolon.

Bug: N/A
Test: m

Change-Id: Ib56471aa33b107ae66c02945f91cc36e3a708d74
diff --git a/include/android/imagedecoder.h b/include/android/imagedecoder.h
index b5f3b10..cadc157 100644
--- a/include/android/imagedecoder.h
+++ b/include/android/imagedecoder.h
@@ -712,7 +712,7 @@
  * - {@link ANDROID_IMAGE_DECODER_BAD_PARAMETER}: The AImageDecoder
  *   is null.
  */
-int32_t AImageDecoder_getRepeatCount(AImageDecoder* _Nonnull decoder);
+int32_t AImageDecoder_getRepeatCount(AImageDecoder* _Nonnull decoder)
         __INTRODUCED_IN(31);
 
 /**