Clean up mediadrm dependencies

Move various things around so mediadrmserver doesn't need
libstagefright and libmedia

Test: build/boot
Change-Id: I48b713cd679b992cb6ad1262c20394a9892d7027
diff --git a/media/utils/Android.mk b/media/utils/Android.mk
index f482d1a..21d1b5b 100644
--- a/media/utils/Android.mk
+++ b/media/utils/Android.mk
@@ -20,6 +20,7 @@
   BatteryNotifier.cpp \
   ISchedulingPolicyService.cpp \
   MemoryLeakTrackUtil.cpp \
+  ProcessInfo.cpp \
   SchedulingPolicyService.cpp
 
 LOCAL_SHARED_LIBRARIES := \