bash: add to TWRP

Change-Id: Ie1826df01ad5fe2480e96d56b2c4fd1c91449cc2
diff --git a/Android.mk b/Android.mk
index 2794640..5935486 100755
--- a/Android.mk
+++ b/Android.mk
@@ -139,6 +139,7 @@
     TW_EXCLUDE_MTP := true
     TW_EXCLUDE_TZDATA := true
     TW_EXCLUDE_NANO := true
+    TW_EXCLUDE_BASH := true
 endif
 
 ifeq ($(AB_OTA_UPDATER),true)
@@ -423,6 +424,13 @@
     nano.rc
 endif
 
+ifneq ($(TW_EXCLUDE_BASH), true)
+    ifneq ($(wildcard external/bash/.),)
+    TWRP_REQUIRED_MODULES += \
+        bash_twrp
+    endif
+endif
+
 ifeq ($(TW_INCLUDE_REPACKTOOLS), true)
 TWRP_REQUIRED_MODULES += \
     magiskboot