librpcbinder_rs: enable use in Minidroid RPC sample

This CL adds visibility and //apex_available:platform needed to make a
Rust variant of a Minidroid RPC sample app build (aosp/2402014).

Other visibility entries are added to ensure the APEXes already enabled
via `apex_available` keep compiling. There's 8 subpackages of
`//packages/modules/Virtualization` that use librpcbinder_rs, so I used
`__subpackages__` instead of listing each one. This covers visibility
for both `com.android.virt` and `com.android.compos` APEXes.

Test: * m client_minidroid_rust with aosp/2402014 patched in
      * m com.android.compos com.android.uwb com.android.virt
Change-Id: Ie67f450cbc8b5d93be5dbcf0eb8c782ee26c2b45
diff --git a/libs/binder/rust/rpcbinder/Android.bp b/libs/binder/rust/rpcbinder/Android.bp
index afb73e9..38dd4fe 100644
--- a/libs/binder/rust/rpcbinder/Android.bp
+++ b/libs/binder/rust/rpcbinder/Android.bp
@@ -23,7 +23,13 @@
         "liblibc",
         "liblog_rust",
     ],
+    visibility: [
+        "//device/google/cuttlefish/shared/minidroid/sample",
+        "//packages/modules/Uwb",
+        "//packages/modules/Virtualization:__subpackages__",
+    ],
     apex_available: [
+        "//apex_available:platform",
         "com.android.compos",
         "com.android.uwb",
         "com.android.virt",
@@ -51,6 +57,7 @@
         "libutils",
     ],
     apex_available: [
+        "//apex_available:platform",
         "com.android.compos",
         "com.android.uwb",
         "com.android.virt",
@@ -84,6 +91,7 @@
         "libutils",
     ],
     apex_available: [
+        "//apex_available:platform",
         "com.android.compos",
         "com.android.uwb",
         "com.android.virt",