Reland "Add command to pass oem commands to HAL"

Test: make

This reverts commit 2e880493d6a227b050dabc6caa294eea408338ca.
Change-Id: I7cdfa6a01b5d776659dd4e7595915574b341cd9c
Merged-In: I7cdfa6a01b5d776659dd4e7595915574b341cd9c
(cherry picked from commit 3c2443ec29984c7c003e8b21a26fc25ad519475d)

2 files changed, 12 insertions, 2 deletions

diff --git a/fastboot/1.0/IFastboot.hal b/fastboot/1.0/IFastboot.hal
index 653fd79ef..5e42c1704 100644
--- a/fastboot/1.0/IFastboot.hal
+++ b/fastboot/1.0/IFastboot.hal
@@ -29,4 +29,14 @@ interface IFastboot {
      *     reformatting.
      */
     getPartitionType(string partitionName) generates (FileSystemType type, Result result);
+
+    /**
+     * Executes a fastboot OEM command.
+     *
+     * @param oemCmdArgs The oem command that is passed to the fastboot HAL.
+     * @response result Returns the status SUCCESS if the operation is successful,
+     *     INVALID_ARGUMENT for bad arguments,
+     *     FAILURE_UNKNOWN for an invalid/unsupported command.
+     */
+    doOemCommand(string oemCmd) generates (Result result);
 };
diff --git a/fastboot/1.0/types.hal b/fastboot/1.0/types.hal
index 8453deb2a..3fbe63959 100644
--- a/fastboot/1.0/types.hal
+++ b/fastboot/1.0/types.hal
@@ -53,9 +53,9 @@ enum FileSystemType : uint8_t {
 struct Result {
     Status status;
     /**
-     * Error message pertaining to the status. It must be a failure message for
+     * Message pertaining to the status. It must be a failure message for
      * Status FAILURE_UNKNOWN/NOT_SUPPORTED or an informative message for
      * Status SUCCESS.
      */
-    string error;
+    string message;
 };