Add LRU cache.

Change-Id: I0e6ac4dca8ece99d4f69d588a34b2d003da69bea
Bug: 73625480
diff --git a/Android.bp b/Android.bp
index aad645f..6c25b26 100644
--- a/Android.bp
+++ b/Android.bp
@@ -3124,6 +3124,8 @@
     "src/protozero/test/protozero_conformance_unittest.cc",
     "src/traced/probes/filesystem/fs_mount.cc",
     "src/traced/probes/filesystem/fs_mount_unittest.cc",
+    "src/traced/probes/filesystem/lru_inode_cache.cc",
+    "src/traced/probes/filesystem/lru_inode_cache_unittest.cc",
     "src/traced/probes/probes_producer.cc",
     "src/traced/probes/process_stats_data_source.cc",
     "src/traced/probes/process_stats_data_source_unittest.cc",