Add libprocessgroup dependency and fix sched_policy include

surfaceflinger, installd and libvrflinger are using set_sched_policy
which is moved into libprocessgroup. Add libprocessgroup dependency
and include required headers.

Exempt-From-Owner-Approval: janitorial

Bug: 111307099
Test: builds, boots

Change-Id: Iccb7c54a85ca148d44ce687fe05e89ad4369e104
Signed-off-by: Suren Baghdasaryan <surenb@google.com>
diff --git a/cmds/installd/dexopt.cpp b/cmds/installd/dexopt.cpp
index 32c1313..07ea77b 100644
--- a/cmds/installd/dexopt.cpp
+++ b/cmds/installd/dexopt.cpp
@@ -43,6 +43,7 @@
 #include <log/log.h>               // TODO: Move everything to base/logging.
 #include <openssl/sha.h>
 #include <private/android_filesystem_config.h>
+#include <processgroup/sched_policy.h>
 #include <selinux/android.h>
 #include <system/thread_defs.h>