Add missing protobuf dependencies.

Needed to update protobuf to the most recent version, where
generated header files reference symbols from the library in more
cases than previously.

Bug: 203713560
Test: presubmit
Change-Id: I6211ce792bc383384cbef9a6370caaf7544d06fb
diff --git a/health/Android.bp b/health/Android.bp
index 008055a..2e271a4 100644
--- a/health/Android.bp
+++ b/health/Android.bp
@@ -37,6 +37,7 @@
         "libbase",
         "libbinder_ndk",
         "libcutils",
+        "libprotobuf-cpp-lite",
         "libutils",
         "pixelatoms-cpp",
     ],
diff --git a/pixelstats/Android.bp b/pixelstats/Android.bp
index 4f397f7..be77548 100644
--- a/pixelstats/Android.bp
+++ b/pixelstats/Android.bp
@@ -81,6 +81,7 @@
     "libcutils",
     "libhidlbase",
     "liblog",
+    "libprotobuf-cpp-lite",
     "libutils",
     "libsensorndkbridge",
     "pixelatoms-cpp",