Merge changes from topic "lpdump-snapshots" into main

* changes:
  Remove local_include_dirs from fs_mgr_defaults.
  Allow processes in the "system" group to read /metadata/ota.

fs_mgr/Android.bp

@@ -49,7 +49,6 @@ cc_defaults {
     sanitize: {
         misc_undefined: ["integer"],
     },
-    local_include_dirs: ["include/"],
     cflags: [
         "-Wall",
         "-Werror",
@@ -60,6 +59,7 @@ cc_defaults {
     name: "libfs_mgr_defaults",
     defaults: ["fs_mgr_defaults"],
     export_include_dirs: ["include"],
+    local_include_dirs: ["include/"],
     include_dirs: ["system/vold"],
     cflags: [
         "-D_FILE_OFFSET_BITS=64",
@@ -188,6 +188,7 @@ cc_library_static {
     ],
     host_supported: true,
     defaults: ["fs_mgr_defaults"],
+    local_include_dirs: ["include/"],
     srcs: [
         "fs_mgr_fstab.cpp",
         "fs_mgr_boot_config.cpp",

fs_mgr/libsnapshot/snapuserd/Android.bp

@@ -57,6 +57,7 @@ cc_library_static {
     defaults: [
         "fs_mgr_defaults",
     ],
+    local_include_dirs: ["include/"],
     srcs: [
         "dm-snapshot-merge/snapuserd.cpp",
         "dm-snapshot-merge/snapuserd_worker.cpp",

rootdir/init.rc

@@ -604,8 +604,8 @@ on post-fs
     chmod 0700 /metadata/vold
     mkdir /metadata/password_slots 0771 root system
     mkdir /metadata/bootstat 0750 system log
-    mkdir /metadata/ota 0700 root system
-    mkdir /metadata/ota/snapshots 0700 root system
+    mkdir /metadata/ota 0750 root system
+    mkdir /metadata/ota/snapshots 0750 root system
     mkdir /metadata/userspacereboot 0770 root system
     mkdir /metadata/watchdog 0770 root system