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
diff --git a/fs_mgr/Android.bp b/fs_mgr/Android.bp
index abd2483..d4fc2b9 100644
--- a/fs_mgr/Android.bp
+++ b/fs_mgr/Android.bp
@@ -144,6 +144,7 @@
     // 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 @@
     name: "libfstab",
     vendor_available: true,
     ramdisk_available: true,
+    vendor_ramdisk_available: true,
     recovery_available: true,
     host_supported: true,
     defaults: ["fs_mgr_defaults"],
diff --git a/fs_mgr/libfiemap/Android.bp b/fs_mgr/libfiemap/Android.bp
index b62e33f..d16b8d6 100644
--- a/fs_mgr/libfiemap/Android.bp
+++ b/fs_mgr/libfiemap/Android.bp
@@ -21,6 +21,7 @@
 cc_library_headers {
     name: "libfiemap_headers",
     ramdisk_available: true,
+    vendor_ramdisk_available: true,
     recovery_available: true,
     export_include_dirs: ["include"],
 }
diff --git a/fs_mgr/libfs_avb/Android.bp b/fs_mgr/libfs_avb/Android.bp
index 62493eb..0cbd9db 100644
--- a/fs_mgr/libfs_avb/Android.bp
+++ b/fs_mgr/libfs_avb/Android.bp
@@ -28,6 +28,7 @@
     name: "libfs_avb",
     defaults: ["fs_mgr_defaults"],
     ramdisk_available: true,
+    vendor_ramdisk_available: true,
     recovery_available: true,
     host_supported: true,
     export_include_dirs: ["include"],
diff --git a/fs_mgr/liblp/Android.bp b/fs_mgr/liblp/Android.bp
index 86ca8f3..fc2d8a1 100644
--- a/fs_mgr/liblp/Android.bp
+++ b/fs_mgr/liblp/Android.bp
@@ -31,6 +31,7 @@
     name: "liblp",
     host_supported: true,
     ramdisk_available: true,
+    vendor_ramdisk_available: true,
     recovery_available: true,
     defaults: ["fs_mgr_defaults"],
     cppflags: [
diff --git a/fs_mgr/libstorage_literals/Android.bp b/fs_mgr/libstorage_literals/Android.bp
index fd7ea04..42abd09 100644
--- a/fs_mgr/libstorage_literals/Android.bp
+++ b/fs_mgr/libstorage_literals/Android.bp
@@ -7,6 +7,7 @@
     name: "libstorage_literals_headers",
     host_supported: true,
     ramdisk_available: true,
+    vendor_ramdisk_available: true,
     recovery_available: true,
     export_include_dirs: ["."],
     target: {