Revert "Merge latest oemcrypto-v17 change"

This reverts commit 642965c678.

Reason for revert: Droidfood Blocking Bug: 217145027

Change-Id: I669b72fcd91c62e28883b5f55eb36af274d85806
(cherry picked from commit 8dbea15e5da05b371572297041454569dc166c90)
Merged-In:I669b72fcd91c62e28883b5f55eb36af274d85806

libwvdrmengine/cdm/util/include/cdm_random.h

@@ -8,7 +8,7 @@
 #include <random>
 #include <string>
 
-namespace wvutil {
+namespace wvcdm {
 
 // CdmRandomGenerator is a thread safe, pseudo-random number generator.
 // It's purpose is to simplified interface for C++11's <random> library.
@@ -112,6 +112,6 @@ class CdmRandom {
   static CdmRandomGenerator* GetInstance();
 };
 
-}  // namespace wvutil
+}  // namespace wvcdm
 
 #endif  // WVCDM_CORE_CDM_RANDOM_H_