fs_mgr: Add a library for managing logical partitions.

This library has methods to build, read, and modify logical partition tables
based on device-mapper targets. Targets currently supported are
dm-linear and dm-zero.

Note: this is a revert of a revert, with changes to fix Mac build
bustage.

Bug: 79173901
Test: N/A
Change-Id: If89a788d1919ce8ddc6eedaecc9687a92f111dfa
diff --git a/fs_mgr/Android.bp b/fs_mgr/Android.bp
index 923442f..b0b4839 100644
--- a/fs_mgr/Android.bp
+++ b/fs_mgr/Android.bp
@@ -57,12 +57,15 @@
         "libavb",
         "libfstab",
         "libdm",
+        "liblp",
     ],
     export_static_lib_headers: [
         "libfstab",
         "libdm",
+        "liblp",
     ],
     whole_static_libs: [
+        "liblp",
         "liblogwrap",
         "libdm",
         "libfstab",