Added system_id_extractor_fuzzer

exec/s: 316
Test: ./system_id_extractor_fuzzer
Bug: 265234582

Change-Id: I9ef8d2747f875bfe287fff51edc90c862a4f4d66

fuzzer/README.md

@@ -3,6 +3,7 @@
 ## Table of contents
 + [policy_engine_fuzzer](#PolicyEngine)
 + [content_decryption_fuzzer](#ContentDecryption)
++ [system_id_extractor_fuzzer](#SystemIdExtractor)
 
 # <a name="PolicyEngine"></a> Fuzzer for PolicyEngine
 
@@ -51,3 +52,27 @@ ContentDecryption supports the following parameters:
   $ adb sync data
   $ adb shell /data/fuzz/arm64/content_decryption_fuzzer/vendor/content_decryption_fuzzer
 ```
+
+# <a name="SystemIdExtractor"></a> Fuzzer for SystemIdExtractor
+
+SystemIdExtractor supports the following parameters:
+1. OEM Cert (parameter name: "oemCert")
+2. Key Data (parameter name: "keyData")
+3. System Id (parameter name: "mSystemId")
+
+| Parameter| Valid Values| Configured Value|
+|------------- |-------------| ----- |
+|`oemCert`| `String` |Value obtained from FuzzedDataProvider|
+|`keyData`| `String` |Value obtained from FuzzedDataProvider|
+|`mSystemId`| `Integer in range 0 to 256` |Value obtained from FuzzedDataProvider|
+
+#### Steps to run
+1. Build the fuzzer
+```
+  $ mm -j$(nproc) system_id_extractor_fuzzer
+```
+2. Run on device
+```
+  $ adb sync data
+  $ adb shell /data/fuzz/arm64/system_id_extractor_fuzzer/vendor/system_id_extractor_fuzzer
+```