Mark dependencies of libpiex as vendor_available

libpiex is already vendor_available but its dependencies are not.
Marking them as vendor_available since a vendor_available lib cannot
link against to non vendor_available libs.

Bug: 33241851
Test: BOARD_VNDK_VERSION=current m -j libpiex.vendor
Change-Id: I9c33eb95023519f3df6cbe15df68ac864d213ae9
diff --git a/Android.bp b/Android.bp
index f4a2e98..72dcdc5 100644
--- a/Android.bp
+++ b/Android.bp
@@ -1,5 +1,6 @@
 cc_library_static {
     name: "libbinary_parse",
+    vendor_available: true,
     srcs: [
         "src/binary_parse/cached_paged_byte_array.cc",
         "src/binary_parse/range_checked_byte_ptr.cc",
@@ -9,6 +10,7 @@
 
 cc_library_static {
     name: "libimage_type_recognition",
+    vendor_available: true,
     srcs: [
         "src/image_type_recognition/image_type_recognition_lite.cc",
     ],
@@ -18,6 +20,7 @@
 
 cc_library_static {
     name: "libtiff_directory",
+    vendor_available: true,
     srcs: [
         "src/tiff_directory/tiff_directory.cc",
     ],