Update embedded SDK

New features:
* Smart Audio Source Switching.
* Fast Pair for BLE-only devices.
* Two byte salt size for improved security.

Other changes:
* Added optional encryption modules based on mbedtls.
* Fixed build issues.
* More verbose and readable logs.

embedded/Makefile

@@ -7,6 +7,8 @@
 
 GTEST_DIR   = ../third_party/gtest/googletest/
 GMOCK_DIR   = ../third_party/gtest/googlemock/
+MBEDTLS_DIR = ../third_party/mbedtls/
+
 
 ARCH        ?= host
 OUT_DIR_NAME ?= $(ARCH)
@@ -84,12 +86,42 @@ ifeq ($(wildcard common/target/$(ARCH_COMMON_NAME)),)
 $(error need to create directory common/target/$(ARCH_COMMON_NAME) )
 endif
 
+ifdef NEARBY_FP_ENABLE_BATTERY_NOTIFICATION
+CFLAGS += -DNEARBY_FP_ENABLE_BATTERY_NOTIFICATION=$(NEARBY_FP_ENABLE_BATTERY_NOTIFICATION)
+endif
+
+ifdef NEARBY_FP_ENABLE_ADDITIONAL_DATA
+CFLAGS += -DNEARBY_FP_ENABLE_ADDITIONAL_DATA=$(NEARBY_FP_ENABLE_ADDITIONAL_DATA)
+endif
+
+ifdef NEARBY_FP_MESSAGE_STREAM
+CFLAGS += -DNEARBY_FP_MESSAGE_STREAM=$(NEARBY_FP_MESSAGE_STREAM)
+endif
+
+ifdef NEARBY_FP_RETROACTIVE_PAIRING
+CFLAGS += -DNEARBY_FP_RETROACTIVE_PAIRING=$(NEARBY_FP_RETROACTIVE_PAIRING)
+endif
+
+ifdef NEARBY_FP_BLE_ONLY
+CFLAGS += -DNEARBY_FP_BLE_ONLY=$(NEARBY_FP_BLE_ONLY)
+endif
+
+ifdef NEARBY_FP_PREFER_BLE_BONDING
+CFLAGS += -DNEARBY_FP_PREFER_BLE_BONDING=$(NEARBY_FP_PREFER_BLE_BONDING)
+endif
+
+ifdef NEARBY_FP_PREFER_LE_TRANSPORT
+CFLAGS += -DNEARBY_FP_PREFER_LE_TRANSPORT=$(NEARBY_FP_PREFER_LE_TRANSPORT)
+endif
 COMMON_INCLUDE_DIRS += \
     -I. \
     -I$(ARCH_COMMON_DIR) \
     -Icommon/target \
     -Icommon/target/$(ARCH_COMMON_NAME) \
     -I$(COMMON_DIR)
+ifeq ($(NEARBY_PLATFORM_USE_MBEDTLS),1)
+COMMON_INCLUDE_DIRS += -I$(MBEDTLS_DIR)/include
+endif
 
 CLIENT_INCLUDES += \
     -I$(CLIENT_DIR) \