Use %zu to print size_t

Test: m -j checkbuild
Change-Id: I93a1da7241169e0e08d310ad7fad68f227629be6
(cherry picked from commit cb8f367327)

drm/mediadrm/plugins/mock/MockDrmCryptoPlugin.cpp

@@ -730,7 +730,7 @@ namespace android {
 
     ssize_t MockDrmPlugin::findSession(Vector<uint8_t> const &sessionId) const
     {
-        ALOGD("findSession: nsessions=%u, size=%u", mSessions.size(), sessionId.size());
+        ALOGD("findSession: nsessions=%zu, size=%zu", mSessions.size(), sessionId.size());
         for (size_t i = 0; i < mSessions.size(); ++i) {
             if (memcmp(mSessions[i].array(), sessionId.array(), sessionId.size()) == 0) {
                 return i;
@@ -741,7 +741,7 @@ namespace android {
 
     ssize_t MockDrmPlugin::findKeySet(Vector<uint8_t> const &keySetId) const
     {
-        ALOGD("findKeySet: nkeySets=%u, size=%u", mKeySets.size(), keySetId.size());
+        ALOGD("findKeySet: nkeySets=%zu, size=%zu", mKeySets.size(), keySetId.size());
         for (size_t i = 0; i < mKeySets.size(); ++i) {
             if (memcmp(mKeySets[i].array(), keySetId.array(), keySetId.size()) == 0) {
                 return i;