AOSP10 TWRP Merge: fix conflicts and update libraries needed

This allows flame to boot TWRP. Still will need to work on
super partition for vendor and system access.

The plan will be to cherry-pick any updates to android-9.0
through gerrit.twrp.me to this branch as a WIP.
diff --git a/pigz/Android.mk b/pigz/Android.mk
index 89f9635..ad7f39d 100644
--- a/pigz/Android.mk
+++ b/pigz/Android.mk
@@ -3,7 +3,7 @@
 include $(CLEAR_VARS)
 
 LOCAL_MODULE := pigz
-LOCAL_MODULE_TAGS := eng optional
+LOCAL_MODULE_TAGS := optional
 LOCAL_MODULE_CLASS := RECOVERY_EXECUTABLES
 LOCAL_MODULE_PATH := $(TARGET_RECOVERY_ROOT_OUT)/sbin
 LOCAL_CFLAGS :=