Revert "Expose AID_KEYSTORE"

Revert "Cryptographic security for MAX_BOOT_LEVEL"

Revert submission 1660531-max-boot-level-crypto

Reason for revert: broken test com.android.tests.odsign.OnDeviceSigningHostTest#verifyArtUpgradeSignsFiles on aosp-master on aosp_cf_x86_64_phone-userdebug at 7261517

Reverted Changes:
Ia3b968afc:Set earlyBootEnded before apex starts
Ia69891291:Expose AID_KEYSTORE
I12530cd13:Cryptographic security for MAX_BOOT_LEVEL

Bug: 184635938
Change-Id: Id02f63a794544d650abb95c8e7f201eea03391eb
Test: forrest run for the broken test
diff --git a/libcutils/Android.bp b/libcutils/Android.bp
index a99cae2..0f3763c 100644
--- a/libcutils/Android.bp
+++ b/libcutils/Android.bp
@@ -363,9 +363,8 @@
     local_include_dirs: ["include"],
     bindgen_flags: [
         "--whitelist-function", "multiuser_get_app_id",
-        "--whitelist-function", "multiuser_get_uid",
         "--whitelist-function", "multiuser_get_user_id",
-        "--whitelist-var", "AID_KEYSTORE",
+        "--whitelist-function", "multiuser_get_uid",
         "--whitelist-var", "AID_USER_OFFSET",
     ],
 }