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/applypatch/Android.mk b/applypatch/Android.mk
index 1f71c44..44112fd 100644
--- a/applypatch/Android.mk
+++ b/applypatch/Android.mk
@@ -23,7 +23,7 @@
     freecache.cpp \
     imgpatch.cpp
 LOCAL_MODULE := libapplypatch
-LOCAL_MODULE_TAGS := eng
+LOCAL_MODULE_TAGS := optional
 LOCAL_C_INCLUDES := \
     $(LOCAL_PATH)/include \
     $(commands_recovery_local_path)