Fix Android Vulkan build

Bug: build missing Reactor/Pragma.cpp
Change-Id: I585d2e335cc70636ac6f7df8e7f6e788c1325497
Reviewed-on: https://swiftshader-review.googlesource.com/c/SwiftShader/+/55288
Tested-by: Nicolas Capens <nicolascapens@google.com>
Reviewed-by: Jason Macnak <natsu@google.com>
Reviewed-by: Nicolas Capens <nicolascapens@google.com>
diff --git a/src/Android.bp b/src/Android.bp
index 2124801..0addb50 100644
--- a/src/Android.bp
+++ b/src/Android.bp
@@ -240,6 +240,7 @@
         "Reactor/LLVMJIT.cpp",
         "Reactor/LLVMReactor.cpp",
         "Reactor/OptimalIntrinsics.cpp",
+        "Reactor/Pragma.cpp",
         "Reactor/Reactor.cpp",
     ],