Report Insufficient Resources for Crypto

This merges the following changes from the Widevine CDM repository:

bef58bc  Add new error codes
  Adds new error codes to OEMCryptoCENC.h and rearranges it to more
  closely match the documentation.

5fcfbca  Handle OEMCrypto_ERROR_INSUFFICIENT_RESOURCES on Decrypt
  Changes the CDM to support the new errors from the previous change.

d59c09d  Report Insufficient Crypto Resources
  Changes the DrmEngine to support the new errors from the previous
  change.

1085a21  Respond to Too Many Keys or Sessions Errors
  Allows errors around having too many keys or sessions to result in
  a unique error in the CDM.

Bug: 9695816
Change-Id: I826bc655109fa57e4f75de7158d7f392053666b1

libwvdrmengine/cdm/core/include/crypto_session.h

@@ -37,7 +37,7 @@ class CryptoSession {
   bool GetSystemId(uint32_t* system_id);
   bool GetProvisioningId(std::string* provisioning_id);
 
-  bool Open();
+  CdmResponseType Open();
   void Close();
 
   bool IsOpen() { return open_; }
@@ -49,9 +49,11 @@ class CryptoSession {
                       bool is_provisioning, std::string* signature);
   bool PrepareRenewalRequest(const std::string& message,
                              std::string* signature);
-  bool LoadKeys(const std::string& message, const std::string& signature,
-                const std::string& mac_key_iv, const std::string& mac_key,
-                int num_keys, const CryptoKey* key_array);
+  CdmResponseType LoadKeys(const std::string& message,
+                           const std::string& signature,
+                           const std::string& mac_key_iv,
+                           const std::string& mac_key,
+                           int num_keys, const CryptoKey* key_array);
   bool LoadCertificatePrivateKey(std::string& wrapped_key);
   bool RefreshKeys(const std::string& message, const std::string& signature,
                    int num_keys, const CryptoKey* key_array);

libwvdrmengine/cdm/core/include/wv_cdm_types.h

@@ -38,6 +38,7 @@ enum CdmResponseType {
   KEY_CANCELED,
   NEED_PROVISIONING,
   DEVICE_REVOKED,
+  INSUFFICIENT_CRYPTO_RESOURCES,
 };
 
 #define CORE_DISALLOW_COPY_AND_ASSIGN(TypeName) \