fastbootd: Implement the getvar command.
This implements basic "fastboot getvar" support, including commands supported
by IBootControl.
Bug: 78793464
Test: fastboot getvar <fastboot variable>
Change-Id: Iee1a7b3f43dea46f80dcdf73c45034e2ffe4727d
diff --git a/fastboot/device/commands.h b/fastboot/device/commands.h
index cd984c8..8785b91 100644
--- a/fastboot/device/commands.h
+++ b/fastboot/device/commands.h
@@ -38,3 +38,4 @@
bool RebootBootloaderHandler(FastbootDevice* device, const std::vector<std::string>& args);
bool RebootFastbootHandler(FastbootDevice* device, const std::vector<std::string>& args);
bool RebootRecoveryHandler(FastbootDevice* device, const std::vector<std::string>& args);
+bool GetVarHandler(FastbootDevice* device, const std::vector<std::string>& args);