Add signature for APK

This is a fallback if fsverity is not supported.

Bug: 199914227
Test: Build, verify that signature is included in apex
Change-Id: I1ca9133448b3fcf46ecc0e4555b24bf800944075
1 file changed
tree: 3adae61889b951b52575d5db02d485e9ac7d93cb
  1. apex/
  2. API-level-policy/
  3. Android.bp
  4. OWNERS