Remove pixel format conversion functions from jni

For some reason pixel format conversion functions were exposed to jni
where they were not used.

Bug: 117921091
Test: all tests should pass
Change-Id: Id0413144ab4b17a08099a26379072765e027dcb2
diff --git a/media/jni/android_media_ImageReader.cpp b/media/jni/android_media_ImageReader.cpp
index 7168b2d..77878f8 100644
--- a/media/jni/android_media_ImageReader.cpp
+++ b/media/jni/android_media_ImageReader.cpp
@@ -360,10 +360,8 @@
           __FUNCTION__, width, height, format, maxImages);
 
     PublicFormat publicFormat = static_cast<PublicFormat>(format);
-    nativeFormat = android_view_Surface_mapPublicFormatToHalFormat(
-        publicFormat);
-    nativeDataspace = android_view_Surface_mapPublicFormatToHalDataspace(
-        publicFormat);
+    nativeFormat = mapPublicFormatToHalFormat(publicFormat);
+    nativeDataspace = mapPublicFormatToHalDataspace(publicFormat);
 
     jclass clazz = env->GetObjectClass(thiz);
     if (clazz == NULL) {
@@ -729,8 +727,7 @@
     jobject byteBuffer = NULL;
 
     PublicFormat publicReaderFormat = static_cast<PublicFormat>(readerFormat);
-    int halReaderFormat = android_view_Surface_mapPublicFormatToHalFormat(
-        publicReaderFormat);
+    int halReaderFormat = mapPublicFormatToHalFormat(publicReaderFormat);
 
     if (isFormatOpaque(halReaderFormat) && numPlanes > 0) {
         String8 msg;
@@ -796,8 +793,7 @@
         return static_cast<jint>(PublicFormat::PRIVATE);
     } else {
         BufferItem* buffer = Image_getBufferItem(env, thiz);
-        int readerHalFormat = android_view_Surface_mapPublicFormatToHalFormat(
-                static_cast<PublicFormat>(readerFormat));
+        int readerHalFormat = mapPublicFormatToHalFormat(static_cast<PublicFormat>(readerFormat));
         int32_t fmt = applyFormatOverrides(
                 buffer->mGraphicBuffer->getPixelFormat(), readerHalFormat);
         // Override the image format to HAL_PIXEL_FORMAT_YCbCr_420_888 if the actual format is
@@ -808,8 +804,7 @@
         if (isPossiblyYUV(fmt)) {
             fmt = HAL_PIXEL_FORMAT_YCbCr_420_888;
         }
-        PublicFormat publicFmt = android_view_Surface_mapHalFormatDataspaceToPublicFormat(
-                fmt, buffer->mDataSpace);
+        PublicFormat publicFmt = mapHalFormatDataspaceToPublicFormat(fmt, buffer->mDataSpace);
         return static_cast<jint>(publicFmt);
     }
 }