OEMCrypto v14 docs and headers

Merge from Widevine repo of http://go/wvgerrit/41641

test: In child CL.

bug: 64001862 OEMCrypto V14 for Android P
Change-Id: I707c4dc24aa534c92b099cd310b9afd09168d456

libwvdrmengine/oemcrypto/include/level3.h

@@ -142,6 +142,8 @@ namespace wvoec3 {
 #define Level3_CreateOldUsageEntry         _oecc70
 #endif
 
+#define Level3_GetInitializationState      _oecl3o01
+
 extern "C" {
 
 bool Level3_IsInApp();
@@ -348,6 +350,30 @@ OEMCryptoResult Level3_CreateOldUsageEntry(uint64_t time_since_license_received,
                                            const uint8_t* pst,
                                            size_t pst_length);
 
+/*
+ * Level3_GetInitializationState
+ *
+ * Description:
+ *   Return any warning or error condition which occurred during
+ *   initialization.  On some platforms, this value will be logged and metrics
+ *   will be gathered on production devices.  This is an optional feature, and
+ *   OEMCrypto may always return 0, even if Level3_Initialize failed.  This
+ *   function may be called whether Level3_Initialize succeeded or not.
+ *
+ * Parameters:
+ *   N/A
+ *
+ * Threading:
+ *   No other function calls will be made while this function is running.
+ *
+ * Returns:
+ *   0 - no warnings or errors during initialization
+ *
+ * Version:
+ *   This method is new in API version 14.
+ */
+OEMCryptoResult Level3_GetInitializationState(void);
+
 }  // extern "C"
 
 // The following are interfaces needed for Level3 OEMCrypto specifically, which