Revert "DrmManager: check drm.service.enabled in init"

This reverts commit fccd98a3369077b483eccb720692640a853cd8ef.

Reason for revert: related to b/193560826

Change-Id: I9450786834861bee6da3d25ee32d471eea0060fe
diff --git a/drm/drmserver/drmserver.rc b/drm/drmserver/drmserver.rc
index eb176c1..de46fb9 100644
--- a/drm/drmserver/drmserver.rc
+++ b/drm/drmserver/drmserver.rc
@@ -1,12 +1,5 @@
 service drm /system/bin/drmserver
-    disabled
     class main
     user drm
     group drm system inet drmrpc readproc
     writepid /dev/cpuset/foreground/tasks
-
-on property:drm.service.enabled=true
-    start drm
-
-on property:drm.service.enabled=1
-    start drm
diff --git a/drm/libdrmframework/DrmManagerClientImpl.cpp b/drm/libdrmframework/DrmManagerClientImpl.cpp
index 38591bc..b0a441b 100644
--- a/drm/libdrmframework/DrmManagerClientImpl.cpp
+++ b/drm/libdrmframework/DrmManagerClientImpl.cpp
@@ -52,22 +52,25 @@
 const sp<IDrmManagerService>& DrmManagerClientImpl::getDrmManagerService() {
     Mutex::Autolock lock(sMutex);
     if (NULL == sDrmManagerService.get()) {
+        char value[PROPERTY_VALUE_MAX];
+        if (property_get("drm.service.enabled", value, NULL) == 0) {
+            // Drm is undefined for this device
+            return sDrmManagerService;
+        }
+
         sp<IServiceManager> sm = defaultServiceManager();
         sp<IBinder> binder;
-        for(int i = 0; i < 10; i++) {
+        do {
             binder = sm->getService(String16("drm.drmManager"));
             if (binder != 0) {
                 break;
             }
-            ALOGW("DrmManagerService not published, waiting... %d", i);
+            ALOGW("DrmManagerService not published, waiting...");
             struct timespec reqt;
             reqt.tv_sec  = 0;
             reqt.tv_nsec = 500000000; //0.5 sec
             nanosleep(&reqt, NULL);
-        }
-        if (binder == NULL) {
-            return sDrmManagerService;
-        }
+        } while (true);
         if (NULL == sDeathNotifier.get()) {
             sDeathNotifier = new DeathNotifier();
         }