Revert "Move fstab.microdroid to /system partition"

Revert submission 2625691

Reason for revert: b/287283650

Reverted changes: /q/submissionid:2625691

Change-Id: Ib6dda75a76131288631f8926cc6e37749aef6ec6
diff --git a/microdroid/Android.bp b/microdroid/Android.bp
index 7ac450e..f3045b7 100644
--- a/microdroid/Android.bp
+++ b/microdroid/Android.bp
@@ -82,7 +82,6 @@
         "microdroid_plat_sepolicy_and_mapping.sha256",
         "microdroid_property_contexts",
         "mke2fs.microdroid",
-        "microdroid_fstab",
 
         "libvm_payload", // used by payload to interact with microdroid manager
 
@@ -213,6 +212,7 @@
     partition_name: "vendor",
     use_avb: true,
     deps: [
+        "microdroid_fstab",
         "microdroid_precompiled_sepolicy.plat_sepolicy_and_mapping.sha256",
         "microdroid_vendor_manifest",
         "microdroid_vendor_compatibility_matrix",
@@ -272,7 +272,7 @@
 }
 
 android_filesystem {
-    name: "microdroid_fstab_ramdisk",
+    name: "microdroid_vendor_ramdisk",
     deps: [
         "microdroid_fstab",
     ],
diff --git a/microdroid/initrd/Android.bp b/microdroid/initrd/Android.bp
index 699a28a..22a06e1 100644
--- a/microdroid/initrd/Android.bp
+++ b/microdroid/initrd/Android.bp
@@ -32,7 +32,7 @@
     name: "microdroid_initrd_gen",
     srcs: [
         ":microdroid_ramdisk",
-        ":microdroid_fstab_ramdisk",
+        ":microdroid_vendor_ramdisk",
     ],
     out: ["microdroid_initrd.img"],
     cmd: "cat $(in) > $(out)",