add apex_available_name to bp2build apex converter

Bug: 285138555
Test: b build //build/bazel/examples/... --config=android
Test: b test //build/bazel/tests/... --config=android
Change-Id: I11372cbc01b89d530a35f90375ca6fa87834edd2
diff --git a/apex/apex.go b/apex/apex.go
index 492e4f0..e8747d6 100644
--- a/apex/apex.go
+++ b/apex/apex.go
@@ -3530,6 +3530,7 @@
 	Logging_parent        *string
 	Tests                 bazel.LabelListAttribute
 	Base_apex_name        *string
+	Apex_available_name   *string
 }
 
 type convertedNativeSharedLibs struct {
@@ -3680,6 +3681,7 @@
 		Package_name:          packageName,
 		Logging_parent:        loggingParent,
 		Tests:                 testsAttrs,
+		Apex_available_name:   a.properties.Apex_available_name,
 	}
 
 	props := bazel.BazelTargetModuleProperties{