DO NOT MERGE: Revert "Revert "Add libprocessgroup dependency and fix sched_policy include""

This reverts commit 7194e6da8a37a0e222b2f81e2d55a8013e657a13.

Reason for revert: AOSP is fixed with new vendor image

Change-Id: I15797a30abcc304379db05bec1b25a0bd95b2ff4
Signed-off-by: Suren Baghdasaryan <surenb@google.com>
diff --git a/media/libmedia/Android.bp b/media/libmedia/Android.bp
index 2a2d1bc..96934a6 100644
--- a/media/libmedia/Android.bp
+++ b/media/libmedia/Android.bp
@@ -202,6 +202,7 @@
         "android.hidl.token@1.0-utils",
         "liblog",
         "libcutils",
+        "libprocessgroup",
         "libutils",
         "libbinder",
         "libsonivox",