Move stuff from recovery into librecovery.

Move most source files into librecovery so they become testable. Only
recovery_main.cpp and logging.cpp are built into recovery module, as
they perform one-time setup (e.g. setting up logger).

Test: `mmma -j bootable/recovery` with
      aosp_{angler,bullhead,fugu,dragon,marlin}-userdebug
Test: recovery_host_test; recovery_unit_test; recovery_component_test;
      recovery_manual_test
Test: Build and boot into recovery image on angler.
Change-Id: Ic4444f87a2f123557c71085f81dc2b2764c05ed8
(cherry picked from commit bf4c006d7bc8a4517c82399bbffd9cb09971c0b4)
diff --git a/Android.mk b/Android.mk
index 09feba2..efd7462 100644
--- a/Android.mk
+++ b/Android.mk
@@ -97,61 +97,8 @@
 
 include $(BUILD_STATIC_LIBRARY)
 
-# librecovery (static library)
-# ===============================
-include $(CLEAR_VARS)
-
-LOCAL_SRC_FILES := \
-    install.cpp
-
-LOCAL_CFLAGS := $(recovery_common_cflags)
-
-ifeq ($(AB_OTA_UPDATER),true)
-    LOCAL_CFLAGS += -DAB_OTA_UPDATER=1
-endif
-
-LOCAL_MODULE := librecovery
-
-LOCAL_STATIC_LIBRARIES := \
-    libminui \
-    libotautil \
-    libvintf_recovery \
-    libcrypto_utils \
-    libcrypto \
-    libbase \
-    libziparchive \
-
-include $(BUILD_STATIC_LIBRARY)
-
-# recovery (static executable)
-# ===============================
-include $(CLEAR_VARS)
-
-LOCAL_SRC_FILES := \
-    adb_install.cpp \
-    fuse_sdcard_provider.cpp \
-    logging.cpp \
-    recovery.cpp \
-    recovery_main.cpp \
-    roots.cpp \
-
-LOCAL_MODULE := recovery
-
-LOCAL_FORCE_STATIC_EXECUTABLE := true
-
-LOCAL_MODULE_PATH := $(TARGET_RECOVERY_ROOT_OUT)/sbin
-
-# Cannot link with LLD: undefined symbol: UsbNoPermissionsLongHelpText
-# http://b/77543887, lld does not handle -Wl,--gc-sections as well as ld.
-LOCAL_USE_CLANG_LLD := false
-
-LOCAL_CFLAGS := $(recovery_common_cflags)
-
-LOCAL_C_INCLUDES += \
-    system/vold \
-
 # Health HAL dependency
-LOCAL_STATIC_LIBRARIES := \
+health_hal_static_libraries := \
     android.hardware.health@2.0-impl \
     android.hardware.health@2.0 \
     android.hardware.health@1.0 \
@@ -163,8 +110,7 @@
     libvndksupport \
     libbatterymonitor
 
-LOCAL_STATIC_LIBRARIES += \
-    librecovery \
+librecovery_static_libraries := \
     $(TARGET_RECOVERY_UI_LIB) \
     libbootloader_message \
     libfusesideload \
@@ -173,8 +119,8 @@
     libminui \
     libverifier \
     libotautil \
+    $(health_hal_static_libraries) \
     libasyncio \
-    libbatterymonitor \
     libcrypto_utils \
     libcrypto \
     libext4_utils \
@@ -193,6 +139,57 @@
     libselinux \
     libz \
 
+# librecovery (static library)
+# ===============================
+include $(CLEAR_VARS)
+
+LOCAL_SRC_FILES := \
+    adb_install.cpp \
+    fuse_sdcard_provider.cpp \
+    install.cpp \
+    recovery.cpp \
+    roots.cpp \
+
+LOCAL_C_INCLUDES := \
+    system/vold \
+
+LOCAL_CFLAGS := $(recovery_common_cflags)
+
+ifeq ($(AB_OTA_UPDATER),true)
+    LOCAL_CFLAGS += -DAB_OTA_UPDATER=1
+endif
+
+LOCAL_MODULE := librecovery
+
+LOCAL_STATIC_LIBRARIES := \
+    $(librecovery_static_libraries)
+
+include $(BUILD_STATIC_LIBRARY)
+
+# recovery (static executable)
+# ===============================
+include $(CLEAR_VARS)
+
+LOCAL_SRC_FILES := \
+    logging.cpp \
+    recovery_main.cpp \
+
+LOCAL_MODULE := recovery
+
+LOCAL_FORCE_STATIC_EXECUTABLE := true
+
+LOCAL_MODULE_PATH := $(TARGET_RECOVERY_ROOT_OUT)/sbin
+
+# Cannot link with LLD: undefined symbol: UsbNoPermissionsLongHelpText
+# http://b/77543887, lld does not handle -Wl,--gc-sections as well as ld.
+LOCAL_USE_CLANG_LLD := false
+
+LOCAL_CFLAGS := $(recovery_common_cflags)
+
+LOCAL_STATIC_LIBRARIES := \
+    librecovery \
+    $(librecovery_static_libraries)
+
 LOCAL_HAL_STATIC_LIBRARIES := libhealthd
 
 LOCAL_REQUIRED_MODULES := \