Make gd exports flatbuffers headers

This allows to remove flatbuffers as a dependency from a
few targets.

Bug: 279502784
Test: mmm packages/modules/Bluetooth
Change-Id: I8231cd8253b095e8c629c4f152b98f939f528a79

android/app/Android.bp

@@ -118,6 +118,7 @@ cc_library_shared {
         "libchrome",
         "libcutils",
         "libevent",
+        "libflatbuffers-cpp",
         "libfmq",
         "libg722codec",
         "libhidlbase",

system/audio_hal_interface/fuzzer/Android.bp

@@ -77,7 +77,6 @@ cc_defaults {
         "libchrome",
         "libcutils",
         "libevent",
-        "libflatbuffers-cpp",
         "libg722codec",
         "libhidlbase",
         "libjsoncpp",

system/bta/Android.bp

@@ -401,7 +401,6 @@ cc_test {
         "libchrome",
         "libcom.android.sysprop.bluetooth",
         "libevent",
-        "libflatbuffers-cpp",
         "libgmock",
     ],
     sanitize: {

system/btif/Android.bp

@@ -342,7 +342,6 @@ cc_test {
     static_libs: [
         "libbluetooth-types",
         "libchrome",
-        "libflatbuffers-cpp",
         "libosi",
     ],
     cflags: ["-DBUILDCFG"],
@@ -375,7 +374,6 @@ cc_test {
     static_libs: [
         "libbluetooth-types",
         "libchrome",
-        "libflatbuffers-cpp",
         "libosi",
     ],
     cflags: ["-DBUILDCFG"],
@@ -605,7 +603,6 @@ cc_test {
         "libchrome",
         "libcom.android.sysprop.bluetooth",
         "libevent",
-        "libflatbuffers-cpp",
         "libgmock",
     ],
     cflags: ["-DBUILDCFG"],
@@ -737,7 +734,6 @@ cc_test {
         "libchrome",
         "libcom.android.sysprop.bluetooth",
         "libevent",
-        "libflatbuffers-cpp",
         "libgmock",
     ],
     cflags: ["-DBUILDCFG"],

system/build/Android.bp

@@ -94,7 +94,6 @@ cc_defaults {
         "com.android.btservices",
     ],
     static_libs: [
-        "libflatbuffers-cpp",
         "libprotobuf-cpp-lite",
     ],
 }

system/gd/Android.bp

@@ -164,6 +164,9 @@ cc_defaults {
         "libcrypto",
         "libflatbuffers-cpp",
     ],
+    export_shared_lib_headers: [
+        "libflatbuffers-cpp",
+    ],
     whole_static_libs: [
         "libc++fs",
     ],
@@ -470,7 +473,6 @@ cc_defaults {
     ],
     shared_libs: [
         "libcrypto",
-        "libflatbuffers-cpp",
         "libgrpc++",
         "libgrpc_wrap",
     ],

system/main/Android.bp

@@ -143,7 +143,6 @@ cc_library_static {
         "-DBUILDCFG",
     ],
     shared_libs: [
-        "libflatbuffers-cpp",
     ],
     whole_static_libs: [
         "libbluetooth_gd", // Gabeldorsche

system/stack/Android.bp

@@ -740,7 +740,6 @@ cc_test {
         "libbt-common",
         "libchrome",
         "libevent",
-        "libflatbuffers-cpp",
         "libgmock",
         "liblog",
         "libosi",
@@ -816,7 +815,6 @@ cc_test {
     static_libs: [
         "libchrome",
         "libevent",
-        "libflatbuffers-cpp",
         "libgmock",
         "liblog",
         "libosi",
@@ -1429,7 +1427,6 @@ cc_test {
         "libbtdevice",
         "libchrome",
         "libevent",
-        "libflatbuffers-cpp",
         "libgmock",
         "liblc3",
         "liblog",
@@ -1606,7 +1603,6 @@ cc_test {
         "libbtdevice",
         "libchrome",
         "libevent",
-        "libflatbuffers-cpp",
         "libgmock",
         "liblog",
         "libosi",
@@ -1687,7 +1683,6 @@ cc_test {
         "libbtdevice",
         "libchrome",
         "libevent",
-        "libflatbuffers-cpp",
         "libgmock",
         "liblog",
         "libosi",
@@ -1768,7 +1763,6 @@ cc_test {
         "libbtdevice",
         "libchrome",
         "libevent",
-        "libflatbuffers-cpp",
         "libgmock",
         "liblog",
         "libosi",
@@ -1853,7 +1847,6 @@ cc_test {
         "libbtdevice",
         "libchrome",
         "libevent",
-        "libflatbuffers-cpp",
         "libgmock",
         "liblog",
         "libosi",