[apkverify] Move HashAlgorithm to algorithms

Bug: 248999133
Test: libapkverify.test libapkverify.integration_test
Change-Id: I4b0b3f640187f8d6b1d0565678a84053250e6be9
diff --git a/libs/apkverify/src/lib.rs b/libs/apkverify/src/lib.rs
index 359d963..f7cbb7e 100644
--- a/libs/apkverify/src/lib.rs
+++ b/libs/apkverify/src/lib.rs
@@ -26,6 +26,6 @@
 mod v4;
 mod ziputil;
 
-pub use algorithms::SignatureAlgorithmID;
+pub use algorithms::{HashAlgorithm, SignatureAlgorithmID};
 pub use v3::{get_public_key_der, verify};
-pub use v4::{get_apk_digest, HashAlgorithm, V4Signature};
+pub use v4::{get_apk_digest, V4Signature};