Make libfs_mgr and its dependencies vendor_ramdisk_available.

This is needed to link libfs_mgr with snapuserd.

Bug: 193833730
Test: builds
Change-Id: I5abd706fe134fecebb80ecb790b5be0495e2b925

fs_mgr/Android.bp

@@ -144,6 +144,7 @@ cc_library {
     // It does not have a stable interface.
     name: "libfs_mgr",
     ramdisk_available: true,
+    vendor_ramdisk_available: true,
     recovery_available: true,
     defaults: [
         "libfs_mgr_defaults",
@@ -169,6 +170,7 @@ cc_library_static {
     name: "libfstab",
     vendor_available: true,
     ramdisk_available: true,
+    vendor_ramdisk_available: true,
     recovery_available: true,
     host_supported: true,
     defaults: ["fs_mgr_defaults"],

fs_mgr/libfiemap/Android.bp

@@ -21,6 +21,7 @@ package {
 cc_library_headers {
     name: "libfiemap_headers",
     ramdisk_available: true,
+    vendor_ramdisk_available: true,
     recovery_available: true,
     export_include_dirs: ["include"],
 }

fs_mgr/libfs_avb/Android.bp

@@ -28,6 +28,7 @@ cc_library_static {
     name: "libfs_avb",
     defaults: ["fs_mgr_defaults"],
     ramdisk_available: true,
+    vendor_ramdisk_available: true,
     recovery_available: true,
     host_supported: true,
     export_include_dirs: ["include"],

fs_mgr/liblp/Android.bp

@@ -31,6 +31,7 @@ cc_library {
     name: "liblp",
     host_supported: true,
     ramdisk_available: true,
+    vendor_ramdisk_available: true,
     recovery_available: true,
     defaults: ["fs_mgr_defaults"],
     cppflags: [

fs_mgr/libstorage_literals/Android.bp

@@ -7,6 +7,7 @@ cc_library_headers {
     name: "libstorage_literals_headers",
     host_supported: true,
     ramdisk_available: true,
+    vendor_ramdisk_available: true,
     recovery_available: true,
     export_include_dirs: ["."],
     target: {