Include the policy document for the most recent FIPS validation.

NIST publishes the PDFs of the security policy documents (although the
latest one is still missing). We include the docx sources to help others
who might be doing a rebrand certification of BoringCrypto.

Change-Id: I5c1511d53ec1d09d257d3aab1301486c364b660b
Reviewed-on: https://boringssl-review.googlesource.com/c/boringssl/+/51505
Reviewed-by: David Benjamin <davidben@google.com>
diff --git a/crypto/fipsmodule/FIPS.md b/crypto/fipsmodule/FIPS.md
index 9b58ab3..bc5708f 100644
--- a/crypto/fipsmodule/FIPS.md
+++ b/crypto/fipsmodule/FIPS.md
@@ -12,7 +12,7 @@
 1. 2018-07-30: certificate [#3318](https://csrc.nist.gov/Projects/Cryptographic-Module-Validation-Program/Certificate/3318), [security policy](/crypto/fipsmodule/policydocs/BoringCrypto-Security-Policy-20180730.docx) (in docx format).
 1. 2019-08-08: certificate [#3678](https://csrc.nist.gov/Projects/Cryptographic-Module-Validation-Program/Certificate/3678), [security policy](/crypto/fipsmodule/policydocs/BoringCrypto-Security-Policy-20190808.docx) (in docx format).
 1. 2019-10-20: certificate [#3753](https://csrc.nist.gov/Projects/Cryptographic-Module-Validation-Program/Certificate/3753), [security policy](/crypto/fipsmodule/policydocs/BoringCrypto-Android-Security-Policy-20191020.docx) (in docx format).
-1. 2021-01-28: certificate [#4156](https://csrc.nist.gov/Projects/Cryptographic-Module-Validation-Program/Certificate/4156).
+1. 2021-01-28: certificate [#4156](https://csrc.nist.gov/Projects/Cryptographic-Module-Validation-Program/Certificate/4156), [security policy](/crypto/fipsmodule/policydocs/BoringCrypto-Android-Security-Policy-20210319.docx) (in docx format).
 
 ## Running ACVP tests
 
diff --git a/crypto/fipsmodule/policydocs/BoringCrypto-Android-Security-Policy-20210319.docx b/crypto/fipsmodule/policydocs/BoringCrypto-Android-Security-Policy-20210319.docx
new file mode 100644
index 0000000..17fcd25
--- /dev/null
+++ b/crypto/fipsmodule/policydocs/BoringCrypto-Android-Security-Policy-20210319.docx
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