Changes from Widevine CDM repo

Squashed commit of these CLs from the widevine cdm repo:

Update YT CP server URI to point to the UAT server
https://widevine-internal-review.googlesource.com/#/c/9327/

OEMCrypto Version 9 API
https://widevine-internal-review.googlesource.com/#/c/9142/

Correct Device ID length in OEMCrypto reference version
https://widevine-internal-review.googlesource.com/#/c/8723/

Modify tests to prevent intermittent failures
https://widevine-internal-review.googlesource.com/#/c/8982/

Generate a unique license request ID
https://widevine-internal-review.googlesource.com/#/c/8721/

Re-enable android timer mechanisms
https://widevine-internal-review.googlesource.com/#/c/8833/

Do not close CDM session on removeKeys
https://widevine-internal-review.googlesource.com/#/c/8703/

And numerous changes required by Eureka, Steel, and CTE versions of
Widevine CDM, as highlighted here:
https://widevine-internal-review.googlesource.com/#/c/8596/
https://widevine-internal-review.googlesource.com/#/c/8955/
https://widevine-internal-review.googlesource.com/#/c/8922/
https://widevine-internal-review.googlesource.com/#/c/8890/
https://widevine-internal-review.googlesource.com/#/c/8871/
https://widevine-internal-review.googlesource.com/#/c/8706/
https://widevine-internal-review.googlesource.com/#/c/8425/

Change-Id: Iafd33905227e74eb2132c240b929d2282ab68042

libwvdrmengine/cdm/core/include/crypto_session.h

@@ -63,7 +63,6 @@ class CryptoSession {
                           std::string* wrapped_rsa_key);
 
   // Media data path
-  bool SelectKey(const std::string& key_id);
   CdmResponseType Decrypt(const CdmDecryptionParameters& parameters);
 
   bool GetRandom(size_t data_length, uint8_t* random_data);
@@ -80,6 +79,8 @@ class CryptoSession {
   size_t GetOffset(std::string message, std::string field);
   bool SetDestinationBufferType();
 
+  bool SelectKey(const std::string& key_id);
+
   static const size_t kSignatureSize = 32;  // size for HMAC-SHA256 signature
   static Lock crypto_lock_;
   static bool initialized_;