Regenerate .bp and replace env!("...") expressions

* Use new regen_bp.sh to find/fix env!("...") expressions
* No need of local diff file or post_update.sh because
  regen_bp.sh will fix any old/new env!("...") expressions.

Bug: 172299943
Test: build all rust crates
Change-Id: I9a6875d92426de012b030790d5cc6b7409ee9ac5
diff --git a/Android.bp b/Android.bp
index 7bfcaac..aacf281 100644
--- a/Android.bp
+++ b/Android.bp
@@ -81,31 +81,31 @@
 
 // dependent_library ["feature_list"]
 //   ansi_term-0.11.0
-//   atty-0.2.13
-//   bitflags-1.2.0 "default"
-//   byteorder-1.3.2 "default,std"
+//   atty-0.2.14
+//   bitflags-1.2.1 "default"
 //   cexpr-0.4.0
 //   cfg-if-0.1.10
-//   clang-sys-1.0.0 "clang_3_5,clang_3_6,clang_3_7,clang_3_8,clang_3_9,clang_4_0,clang_5_0,clang_6_0,libloading,runtime"
-//   clap-2.33.0 "ansi_term,atty,color,default,strsim,suggestions,vec_map"
+//   cfg-if-1.0.0
+//   clang-sys-1.0.1 "clang_3_5,clang_3_6,clang_3_7,clang_3_8,clang_3_9,clang_4_0,clang_5_0,clang_6_0,libloading,runtime"
+//   clap-2.33.3 "ansi_term,atty,color,default,strsim,suggestions,vec_map"
 //   glob-0.3.0
 //   lazy_static-1.4.0
-//   lazycell-1.2.1
-//   libc-0.2.66 "default,std"
-//   libloading-0.6.2
-//   memchr-2.2.1 "use_std"
-//   nom-5.1.1 "alloc,std"
+//   lazycell-1.3.0
+//   libc-0.2.80 "default,std"
+//   libloading-0.6.5
+//   memchr-2.3.4 "std,use_std"
+//   nom-5.1.2 "alloc,std"
 //   peeking_take_while-0.1.2
-//   proc-macro2-1.0.4
-//   quote-1.0.2
-//   regex-1.3.1 "std,unicode,unicode-age,unicode-bool,unicode-case,unicode-gencat,unicode-perl,unicode-script,unicode-segment"
-//   regex-syntax-0.6.12 "unicode-age,unicode-bool,unicode-case,unicode-gencat,unicode-perl,unicode-script,unicode-segment"
-//   rustc-hash-1.0.1
+//   proc-macro2-1.0.24
+//   quote-1.0.7
+//   regex-1.4.2 "std,unicode,unicode-age,unicode-bool,unicode-case,unicode-gencat,unicode-perl,unicode-script,unicode-segment"
+//   regex-syntax-0.6.21 "unicode,unicode-age,unicode-bool,unicode-case,unicode-gencat,unicode-perl,unicode-script,unicode-segment"
+//   rustc-hash-1.1.0 "default,std"
 //   shlex-0.1.1
 //   strsim-0.8.0
 //   textwrap-0.11.0
-//   unicode-width-0.1.6 "default"
-//   unicode-xid-0.2.0 "default"
-//   vec_map-0.8.1
-//   version_check-0.9.1
-//   which-3.0.0
+//   unicode-width-0.1.8 "default"
+//   unicode-xid-0.2.1 "default"
+//   vec_map-0.8.2
+//   version_check-0.9.2
+//   which-3.1.1