Remove HIDL_GENERATED from things written by hand.

find . -name "*.h" -exec sed -i 's/HIDL_GENERATED_\(.*\)_H_/\U\1_H/g' {}
+

They now match what would be generated by -Lc++-impl. This prevents
confusion over whether or not the files are autogenerated.

Change-Id: I4aa89a39907024aa9525df71ff3715979f431357
Similar commit: https://android-review.googlesource.com/#/c/305996/
Test: pass
diff --git a/audio/2.0/default/PrimaryDevice.h b/audio/2.0/default/PrimaryDevice.h
index 968c208..8177b68 100644
--- a/audio/2.0/default/PrimaryDevice.h
+++ b/audio/2.0/default/PrimaryDevice.h
@@ -14,8 +14,8 @@
  * limitations under the License.
  */
 
-#ifndef HIDL_GENERATED_android_hardware_audio_V2_0_PrimaryDevice_H_
-#define HIDL_GENERATED_android_hardware_audio_V2_0_PrimaryDevice_H_
+#ifndef ANDROID_HARDWARE_AUDIO_V2_0_PRIMARYDEVICE_H
+#define ANDROID_HARDWARE_AUDIO_V2_0_PRIMARYDEVICE_H
 
 #include <android/hardware/audio/2.0/IPrimaryDevice.h>
 #include <hidl/Status.h>
@@ -114,4 +114,4 @@
 }  // namespace hardware
 }  // namespace android
 
-#endif  // HIDL_GENERATED_android_hardware_audio_V2_0_PrimaryDevice_H_
+#endif  // ANDROID_HARDWARE_AUDIO_V2_0_PRIMARYDEVICE_H