miatoll: Add a shim to silence prebuilt audio HAL

For some reason Xiaomi built audio HAL with "very very verbose" logging
enabled [1] and it spams really too much. Just shim the whole log function
to do nothing.

[1] https://github.com/LineageOS/android_hardware_qcom_audio/blob/c659e83702/hal/audio_hw.c#L41

Co-authored-by: Jan Engelmohr <jan.engelmohr@mailbox.tu-dresden.de>
Change-Id: Iff278c44f203dc7b81bccb2281edfc3f5687a47c

BoardConfig.mk

@@ -178,6 +178,9 @@ include device/qcom/sepolicy_vndr/SEPolicy.mk
 SYSTEM_EXT_PRIVATE_SEPOLICY_DIRS += $(DEVICE_PATH)/sepolicy/private
 BOARD_SEPOLICY_DIRS += $(DEVICE_PATH)/sepolicy/vendor
 
+# Shims
+TARGET_LD_SHIM_LIBS := vendor/lib/hw/audio.primary.atoll.so|fakelogprint.so
+
 # Verified Boot
 BOARD_AVB_ENABLE := true
 BOARD_AVB_MAKE_VBMETA_IMAGE_ARGS += --flags 3

device.mk

@@ -188,6 +188,10 @@ PRODUCT_PACKAGES += \
 PRODUCT_PACKAGES += \
     android.hardware.keymaster@4.1.vendor
 
+# Libshims
+PRODUCT_PACKAGES += \
+    fakelogprint
+
 # Lights
 PRODUCT_PACKAGES += \
     android.hardware.light-service.xiaomi

libshims/Android.bp

@@ -0,0 +1,12 @@
+//
+// Copyright (C) 2021 The LineageOS Project
+//
+// SPDX-License-Identifier: Apache-2.0
+//
+
+cc_library_shared {
+    name: "fakelogprint",
+    vendor: true,
+    shared_libs: ["liblog"],
+    srcs: ["fakelogprint/fakelogprint.cpp"],
+}

libshims/fakelogprint/fakelogprint.cpp

@@ -0,0 +1,5 @@
+#include <log/log.h>
+
+int __android_log_print(int prio, const char* tag, const char* fmt, ...) {
+  return 0;
+}