Add feature flag to change the CDM version to 18.0.2

[ Merge of http://go/wvgerrit/191139 ]

Adding an initial flag that include identifiable differences when
the feature is enabled or disabled.

This is the same commit as ag/25837302. It was reverted due to
memory size issues. A follow on CL will address that issue to
ease review.

Bug: 311951236
Test: WVTS tests
Change-Id: I995fb8f4158b3529c2d19a2ee5fd8beec0019f7c

libwvdrmengine/Android.bp

@@ -154,6 +154,7 @@ cc_binary {
 
     shared_libs: [
         "libbinder_ndk",
+        "wv_media_drm_flags_c_lib",
     ],
 
     init_rc: ["src/android.hardware.drm-service.widevine.rc"],
@@ -178,7 +179,10 @@ cc_binary {
         "frameworks/native/libs/binder/include",
     ],
 
-    shared_libs: ["libbinder_ndk"],
+    shared_libs: [
+        "libbinder_ndk",
+        "wv_media_drm_flags_c_lib",
+    ],
 
     init_rc: ["src/android.hardware.drm-service-lazy.widevine.rc"],
     vintf_fragments: ["manifest_android.hardware.drm-service-lazy.widevine.xml"],
@@ -224,6 +228,7 @@ cc_library_static {
         "libbinder_ndk",
         "libcrypto",
         "liblog",
+        "wv_media_drm_flags_c_lib",
     ],
 
     static_libs: [
@@ -297,6 +302,7 @@ cc_library {
         "libcrypto",
         "libdl",
         "liblog",
+        "wv_media_drm_flags_c_lib",
     ],
 
     header_libs: ["libstagefright_foundation_headers"],
@@ -329,6 +335,9 @@ cc_fuzz {
         "service_fuzzer_defaults",
         "fuzzer_disable_leaks",
     ],
+    shared_libs: [
+        "wv_media_drm_flags_c_lib",
+    ],
     static_libs: [
         "libbase",
         "libbinder_random_parcel",