Convert Android.mk file to Android.bp

See build/soong/README.md for more information.

Bug: 122332340
Test: treehugger
Change-Id: I52416790e1e4493dd4fe57404095351b8d37ea22
diff --git a/tools/preload/Android.bp b/tools/preload/Android.bp
new file mode 100644
index 0000000..809ee47
--- /dev/null
+++ b/tools/preload/Android.bp
@@ -0,0 +1,17 @@
+java_library_host {
+    name: "preload",
+    srcs: [
+        "Compile.java",
+        "LoadedClass.java",
+        "MemoryUsage.java",
+        "Operation.java",
+        "Policy.java",
+        "PrintCsv.java",
+        "PrintHtmlDiff.java",
+        "PrintPsTree.java",
+        "Proc.java",
+        "Record.java",
+        "Root.java",
+        "WritePreloadedClassFile.java",
+    ],
+}