Add feature flag to change the CDM version to 18.0.2

[ Merge of http://go/wvgerrit/191139 ]

Adding an initial flag that include identifiable differences when
the feature is enabled or disabled.

Bug: 311951236
Test: WVTS tests
Change-Id: I57a8e05d3b7c0cb6b43cbef022b436330985fe11

libwvdrmengine/cdm/include/wv_android_constants.h

@@ -11,7 +11,8 @@ namespace wvcdm {
 
 // Note: If you change this, make sure you also change
 // https://developers.google.com/widevine/drm/client/oemcrypto/compatibility
-static const std::string kWVAndroidCdmVersion = "18.0.0";
+static const std::string kWVAndroidCdmVersion_18_0_1 = "18.0.1";
+static const std::string kWVAndroidCdmVersion_18_0_2 = "18.0.2";
 
 }  // namespace wvcdm
 

libwvdrmengine/cdm/src/properties_android.cpp

@@ -12,11 +12,15 @@
 #include <android-base/properties.h>
 #include <android/sysprop/WidevineProperties.sysprop.h>
 
+#include <com_android_mediadrm_widevine_flags.h>
+
 #include "log.h"
 #include "wv_android_constants.h"
 #include "widevine_apex_info.h"
 
 using namespace android::sysprop;
+
+namespace mediadrm_flags = com::android::mediadrm::widevine::flags;
 namespace {
 
 const char kBasePathPrefix[] = "/data/vendor/mediadrm/IDM";
@@ -146,7 +150,11 @@ bool Properties::GetWVCdmVersion(std::string* version) {
 }
 #endif
 
-  *version = kWVAndroidCdmVersion + apex_version;
+  if (mediadrm_flags::update_cdm_version_to_18_0_2()) {
+    *version = kWVAndroidCdmVersion_18_0_2 + apex_version;
+  } else {
+    *version = kWVAndroidCdmVersion_18_0_1 + apex_version;
+  }
   return true;
 }
 

libwvdrmengine/cdm/test/integration-test.mk

@@ -75,6 +75,7 @@ LOCAL_SHARED_LIBRARIES := \
     libssl \
     libstagefright_foundation \
     libutils \
+    wv_media_drm_flags_c_lib \
 
 LOCAL_CFLAGS += -DUNIT_TEST