camera2 ndk: Move check for ndk support for capabilities from a white-list to a black-list.

Bug: 129979644

Test: Fake SECURE_IMAGE_DATA by updating camera characteristics in
      cameraserver; Retrieve capabilities in AImageReader test and
      confirm that SECURE_IMAGE_DATA is supported

Test: AImageReaderVendorTest

Change-Id: Ia105969ce1df52408e6b7663a658d89f47cd90c2
Signed-off-by: Jayant Chowdhary <jchowdhary@google.com>
diff --git a/camera/ndk/impl/ACameraMetadata.h b/camera/ndk/impl/ACameraMetadata.h
index 3d895cb..97f7f48 100644
--- a/camera/ndk/impl/ACameraMetadata.h
+++ b/camera/ndk/impl/ACameraMetadata.h
@@ -70,6 +70,8 @@
 
   private:
 
+    // This function does not check whether the capability passed to it is valid.
+    // The caller must make sure that it is.
     bool isNdkSupportedCapability(const int32_t capability);
     static inline bool isVendorTag(const uint32_t tag);
     static bool isCaptureRequestTag(const uint32_t tag);