Add provided_hals to ApexInstallationStarted atom

Bug: 281163419
Test: manual - built apexd
Change-Id: I28e586d7d0cd915e3ecc3ef53b659079751aae82
diff --git a/stats/atoms/apex/apex_extension_atoms.proto b/stats/atoms/apex/apex_extension_atoms.proto
index 24c3fda..2f8ac15 100644
--- a/stats/atoms/apex/apex_extension_atoms.proto
+++ b/stats/atoms/apex/apex_extension_atoms.proto
@@ -58,6 +58,8 @@
     optional bool request_is_rollback = 7;
     // Apex's FileInfo's Manifest provides these data points
     optional bool provides_shared_apex_libs = 8;
+    // HAL's provided by this apex
+    repeated string provided_hals = 9;
 }
 
 message ApexInstallationStaged {