Camera1: Rename setPreviewTexture to ...Target for clarity

Bug: 10312644
Change-Id: I4bee90428cb932a12d73dad89e91bb2ef492dc86
diff --git a/core/jni/android_hardware_Camera.cpp b/core/jni/android_hardware_Camera.cpp
index 0018dd2..09d8d0f 100644
--- a/core/jni/android_hardware_Camera.cpp
+++ b/core/jni/android_hardware_Camera.cpp
@@ -553,7 +553,7 @@
         }
     }
 
-    if (camera->setPreviewTexture(gbp) != NO_ERROR) {
+    if (camera->setPreviewTarget(gbp) != NO_ERROR) {
         jniThrowException(env, "java/io/IOException", "setPreviewTexture failed");
     }
 }
@@ -576,7 +576,7 @@
 
     }
 
-    if (camera->setPreviewTexture(producer) != NO_ERROR) {
+    if (camera->setPreviewTarget(producer) != NO_ERROR) {
         jniThrowException(env, "java/io/IOException",
                 "setPreviewTexture failed");
     }