Allow offline release retries

A bug prevented regenerating license release requests. This has
been corrected. A crash due to a formatting error has been addressed.
Clean up of logging and additional logging for open session failures
have been included.

b/16197822

Merge of https://widevine-internal-review.googlesource.com/#/c/10806
from the widevine cdm repo.

Change-Id: I854ead388f311d00b1cd700dfa1b2f58322c2dd4

libwvdrmengine/cdm/core/src/cdm_session.cpp

@@ -143,8 +143,12 @@ CdmResponseType CdmSession::RestoreOfflineSession(
     return UNKNOWN_ERROR;
   }
 
-  if (license_state != DeviceFiles::kLicenseStateActive) {
-    LOGE("CdmSession::Init invalid offline license state = %s", license_state);
+  // Do not restore a released offline license, unless a release retry
+  if (!(license_type == kLicenseTypeRelease ||
+       license_state == DeviceFiles::kLicenseStateActive)) {
+    LOGE("CdmSession::Init invalid offline license state = %d, type = %d",
+        license_state,
+        license_type);
     return UNKNOWN_ERROR;
   }