Adding Vulkan support for executorch on IG4A (#15480)

Stack from [ghstack](https://github.com/ezyang/ghstack) (oldest at
bottom):
* __->__ #15480

Copy of D78291986

Differential Revision:
[D85901521](https://our.internmc.facebook.com/intern/diff/D85901521/)

cc @manuelcandales @digantdesai @cbilgin

---------

Co-authored-by: ssjia <[email protected]>

Author: SS-JIA

extension/android/BUCK

@@ -22,6 +22,7 @@ non_fbcode_target(_kind = fb_android_library,
     language = "JAVA",
     deps = [
         "//fbandroid/java/com/facebook/jni:jni",
+        "//xplat/executorch/backends/vulkan:vulkan_backend_lib_static",
         "//fbandroid/libraries/soloader/java/com/facebook/soloader/nativeloader:nativeloader",
     ],
 )

extension/android/jni/BUCK

@@ -66,6 +66,7 @@ non_fbcode_target(_kind = fb_android_cxx_library,
         "//xplat/executorch/extension/runner_util:inputs_static",
         "//xplat/executorch/extension/tensor:tensor_static",
         "//xplat/executorch/kernels/quantized:generated_lib_static",
+        "//xplat/executorch/backends/vulkan:vulkan_backend_lib_static",
     ],
 )